#91D7FF
Closest named color: Baby Blue (#A2CFFE). oklch(84.7% 0.09 234.4), rgb(145, 215, 255).
Aa
Black text reads best on this color (13.36:1).
About this color
#91D7FF is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.090 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.026 away. Black text reads best on it, at 13.36:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.36:1 |
| White text | 1.57:1 |
Values
| HEX | #91D7FF |
| RGB | rgb(145, 215, 255) |
| HSL | hsl(202, 100%, 78%) |
| OKLCH | oklch(84.7% 0.09 234.4) |
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 #91D7FF | 1.57:1 | Fails | Lc -29.3 | Dividers and decoration only |
| Black text on #91D7FF | 13.36:1 | AAA | Lc 77.8 | Fine for body text |
| #91D7FF text on white | 1.57:1 | Fails | Lc 25.9 | Dividers and decoration only |
| #91D7FF text on black | 13.36:1 | AAA | Lc -77.1 | Fine for body 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 200.
-
Step 50
50
#ECF7FE
oklch(97% 0.015 235.4)
-
Step 100
100
#D5EEFD
oklch(93.5% 0.033 234.1)
-
Step 200
200 (this color)
#91D7FF
oklch(84.7% 0.09 234.4)
-
Step 300
300
#70CDFF
oklch(81% 0.113 234.1)
-
Step 400
400
#00AEEF
oklch(70.8% 0.149 234.4)
-
Step 500
500
#0095CD
oklch(63.1% 0.132 234.2)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004865
oklch(37.8% 0.079 233.7)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#91D7FF 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) | #C4D5FF | 0.058 |
| Deuteranopia (no green cones) | #B5C9FE | 0.051 |
| Tritanopia (no blue cones) | #63E2E4 | 0.069 |
| Achromatopsia (no color) | #CECECE | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D7FF
#91D7FF
oklch(84.7% 0.09 234.4)
- #FCBD95
#FCBD95
oklch(84.7% 0.09 53.6)
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 #91D7FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.026
- Light Sky Blue #87CEFA ΔE 0.027
- Sky Blue #87CEEB ΔE 0.036
- Sky #82CAFC ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.045
- Lightblue #7BC8F6 ΔE 0.048
- Celeste #A8DADC ΔE 0.056
- Light Blue Grey #B7C9E2 ΔE 0.057
Use #91D7FF 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.