#738EFF
Closest named color: Lavender Blue (#8B88F8). oklch(67.9% 0.169 271.2), rgb(115, 142, 255).
Aa
Black text reads best on this color (7.04:1).
About this color
#738EFF is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.169 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.033 away. Black text reads best on it, at 7.04:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 7.04:1 |
| White text | 2.98:1 |
Values
| HEX | #738EFF |
| RGB | rgb(115, 142, 255) |
| HSL | hsl(228, 100%, 73%) |
| OKLCH | oklch(67.9% 0.169 271.2) |
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 #738EFF | 2.98:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #738EFF | 7.04:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #738EFF text on white | 2.98:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #738EFF text on black | 7.04:1 | AAA | Lc -45.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2E9FF
oklch(93.5% 0.031 271.7)
-
Step 200
200
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#AABEFF
oklch(81% 0.095 271)
-
Step 400
400 (this color)
#738EFF
oklch(67.9% 0.169 271.2)
-
Step 500
500
#607BFF
oklch(63.2% 0.197 271)
-
Step 600
600
#485AF9
oklch(55.5% 0.235 271.3)
-
Step 700
700
#3A48D9
oklch(49% 0.218 271.2)
-
Step 800
800
#303DAF
oklch(42.7% 0.18 271.3)
-
Step 900
900
#29368B
oklch(37.7% 0.141 271.3)
-
Step 950
950
#182151
oklch(27.1% 0.088 271.3)
#738EFF 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) | #5C9CFF | 0.040 |
| Deuteranopia (no green cones) | #4A90FD | 0.041 |
| Tritanopia (no blue cones) | #22A7BA | 0.151 |
| Achromatopsia (no color) | #959595 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738EFF
#738EFF
oklch(67.9% 0.169 271.2)
- #B89400
#B89400
oklch(68% 0.139 91.4)
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 #738EFF, closest first.
No curated palette has a color within ΔE 0.04 of #738EFF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.033
- Cornflower Blue #6495ED ΔE 0.038
- Soft Blue #6488EA ΔE 0.039
- Periwinkle #8E82FE ΔE 0.043
- Periwinkle Blue #8F99FB ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.053
- Cornflower #6A79F7 ΔE 0.055
Use #738EFF 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.