#738EE7
Closest named color: Cornflower Blue (#6495ED). oklch(66.5% 0.136 269.7), rgb(115, 142, 231).
Aa
Black text reads best on this color (6.75:1).
About this color
#738EE7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.136 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.023 away. Black text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.75:1 |
| White text | 3.11:1 |
Values
| HEX | #738EE7 |
| RGB | rgb(115, 142, 231) |
| HSL | hsl(226, 71%, 68%) |
| OKLCH | oklch(66.5% 0.136 269.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #738EE7 | 3.11:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #738EE7 | 6.75:1 | AA | Lc 46.1 | Large or bold text, headings |
| #738EE7 text on white | 3.11:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #738EE7 text on black | 6.75:1 | AA | Lc -43.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFBFED
oklch(80.8% 0.068 269.9)
-
Step 400
400
#869DE3
oklch(70.6% 0.106 269.7)
-
Step 500
500 (this color)
#738EE7
oklch(66.5% 0.136 269.7)
-
Step 600
600
#526BC9
oklch(55.6% 0.148 269.9)
-
Step 700
700
#4359AE
oklch(49.2% 0.137 269.8)
-
Step 800
800
#37498D
oklch(42.7% 0.114 269.9)
-
Step 900
900
#2F3E70
oklch(37.7% 0.088 269.3)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#738EE7 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6B97EB | 0.024 |
| Deuteranopia (no green cones) | #5F8DE5 | 0.024 |
| Tritanopia (no blue cones) | #40A1AF | 0.122 |
| Achromatopsia (no color) | #929292 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738EE7
#738EE7
oklch(66.5% 0.136 269.7)
- #B58F00
#B58F00
oklch(66.7% 0.136 89.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #738EE7, closest first.
No curated palette has a color within ΔE 0.04 of #738EE7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.023
- Soft Blue #6488EA ΔE 0.026
- Perrywinkle #8F8CE7 ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.043
- Lavender Blue #8B88F8 ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.048
- Periwinkle Blue #8F99FB ΔE 0.055
- Periwinkle #8E82FE ΔE 0.060
Use #738EE7 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.