#738BFB
Closest named color: Lavender Blue (#8B88F8). oklch(67.1% 0.167 272.1), rgb(115, 139, 251).
Aa
Black text reads best on this color (6.81:1).
About this color
#738BFB is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.167 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.031 away. Black text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #738BFB |
| RGB | rgb(115, 139, 251) |
| HSL | hsl(229, 94%, 72%) |
| OKLCH | oklch(67.1% 0.167 272.1) |
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 #738BFB | 3.08:1 | AA large text | Lc -62.9 | Content text, not long reading |
| Black text on #738BFB | 6.81:1 | AA | Lc 46.5 | Large or bold text, headings |
| #738BFB text on white | 3.08:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #738BFB text on black | 6.81:1 | AA | Lc -44.2 | 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 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
#CCD8FF
oklch(88.6% 0.055 271.8)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400 (this color)
#738BFB
oklch(67.1% 0.167 272.1)
-
Step 500
500
#637AFF
oklch(63.2% 0.198 272.1)
-
Step 600
600
#4B5AF8
oklch(55.6% 0.233 272.1)
-
Step 700
700
#3D48D8
oklch(49.1% 0.216 272)
-
Step 800
800
#323DAE
oklch(42.7% 0.178 272)
-
Step 900
900
#2B368A
oklch(37.8% 0.139 272.2)
-
Step 950
950
#192151
oklch(27.2% 0.088 272.1)
#738BFB 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) | #5999FF | 0.041 |
| Deuteranopia (no green cones) | #488DF9 | 0.044 |
| Tritanopia (no blue cones) | #2AA4B7 | 0.149 |
| Achromatopsia (no color) | #939393 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738BFB
#738BFB
oklch(67.1% 0.167 272.1)
- #B49200
#B49200
oklch(67.2% 0.137 92.2)
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 #738BFB, closest first.
No curated palette has a color within ΔE 0.04 of #738BFB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.031
- Soft Blue #6488EA ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.039
- Periwinkle #8E82FE ΔE 0.040
- Perrywinkle #8F8CE7 ΔE 0.047
- Cornflower #6A79F7 ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.052
- Periwinkle Blue #8F99FB ΔE 0.054
Use #738BFB 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.