#738DEE
Closest named color: Soft Blue (#6488EA). oklch(66.7% 0.147 270.7), rgb(115, 141, 238).
Aa
Black text reads best on this color (6.77:1).
About this color
#738DEE is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.147 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.024 away. Black text reads best on it, at 6.77:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.77:1 |
| White text | 3.10:1 |
Values
| HEX | #738DEE |
| RGB | rgb(115, 141, 238) |
| HSL | hsl(227, 78%, 69%) |
| OKLCH | oklch(66.7% 0.147 270.7) |
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 #738DEE | 3.10:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #738DEE | 6.77:1 | AA | Lc 46.2 | Large or bold text, headings |
| #738DEE text on white | 3.10:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #738DEE text on black | 6.77:1 | AA | Lc -43.9 | 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
#E4E9F8
oklch(93.5% 0.021 271.2)
-
Step 200
200
#CFD8F4
oklch(88.4% 0.04 271.4)
-
Step 300
300
#AFBFF0
oklch(80.9% 0.072 270.6)
-
Step 400
400
#869CE9
oklch(70.7% 0.116 271.1)
-
Step 500
500 (this color)
#738DEE
oklch(66.7% 0.147 270.7)
-
Step 600
600
#5269D0
oklch(55.7% 0.16 270.9)
-
Step 700
700
#4257B4
oklch(49.1% 0.149 270.5)
-
Step 800
800
#374891
oklch(42.8% 0.122 270.6)
-
Step 900
900
#2F3D74
oklch(37.8% 0.095 270.5)
-
Step 950
950
#1B2444
oklch(27% 0.061 270.1)
#738DEE 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) | #6598F2 | 0.030 |
| Deuteranopia (no green cones) | #588DEC | 0.030 |
| Tritanopia (no blue cones) | #3AA2B2 | 0.131 |
| Achromatopsia (no color) | #929292 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738DEE
#738DEE
oklch(66.7% 0.147 270.7)
- #B49000
#B49000
oklch(66.8% 0.137 90.9)
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 #738DEE, closest first.
No curated palette has a color within ΔE 0.04 of #738DEE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.024
- Cornflower Blue #6495ED ΔE 0.025
- Lavender Blue #8B88F8 ΔE 0.037
- Perrywinkle #8F8CE7 ΔE 0.038
- Chefchaouen Blue #4895EF ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.051
- Periwinkle #8E82FE ΔE 0.051
- Periwinkle Blue #8F99FB ΔE 0.053
Use #738DEE 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.