#91D4FE
Closest named color: Light Sky Blue (#87CEFA). oklch(84% 0.09 236.8), rgb(145, 212, 254).
Aa
Black text reads best on this color (13.05:1).
About this color
#91D4FE is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.090 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.020 away. Black text reads best on it, at 13.05:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 13.05:1 |
| White text | 1.60:1 |
Values
| HEX | #91D4FE |
| RGB | rgb(145, 212, 254) |
| HSL | hsl(203, 98%, 78%) |
| OKLCH | oklch(84% 0.09 236.8) |
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 #91D4FE | 1.60:1 | Fails | Lc -30.8 | Non-text elements, placeholder text |
| Black text on #91D4FE | 13.05:1 | AAA | Lc 76.5 | Fine for body text |
| #91D4FE text on white | 1.60:1 | Fails | Lc 27.3 | Dividers and decoration only |
| #91D4FE text on black | 13.05:1 | AAA | Lc -75.7 | 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 300.
-
Step 50
50
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#DAEDF9
oklch(93.6% 0.026 235.4)
-
Step 200
200
#BBDFF6
oklch(88.5% 0.049 236.2)
-
Step 300
300 (this color)
#91D4FE
oklch(84% 0.09 236.8)
-
Step 400
400
#28ACEE
oklch(70.7% 0.144 237)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#91D4FE 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) | #C1D3FF | 0.055 |
| Deuteranopia (no green cones) | #B2C7FD | 0.047 |
| Tritanopia (no blue cones) | #64DFE2 | 0.070 |
| Achromatopsia (no color) | #CCCCCC | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D4FE
#91D4FE
oklch(84% 0.09 236.8)
- #F8BC91
#F8BC91
oklch(84% 0.09 56.8)
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 #91D4FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.020
- Baby Blue #A2CFFE ΔE 0.021
- Sky Blue #87CEEB ΔE 0.031
- Sky #82CAFC ΔE 0.033
- Lightblue #7BC8F6 ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.048
- Light Blue Grey #B7C9E2 ΔE 0.055
- Pastel Blue #A2BFFE ΔE 0.057
Use #91D4FE 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.