#91D3FB
Closest named color: Light Sky Blue (#87CEFA). oklch(83.7% 0.087 235.8), rgb(145, 211, 251).
Aa
Black text reads best on this color (12.91:1).
About this color
#91D3FB is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.087 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.018 away. Black text reads best on it, at 12.91:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.91:1 |
| White text | 1.62:1 |
Values
| HEX | #91D3FB |
| RGB | rgb(145, 211, 251) |
| HSL | hsl(203, 93%, 78%) |
| OKLCH | oklch(83.7% 0.087 235.8) |
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 #91D3FB | 1.62:1 | Fails | Lc -31.4 | Non-text elements, placeholder text |
| Black text on #91D3FB | 12.91:1 | AAA | Lc 75.9 | Fine for body text |
| #91D3FB text on white | 1.62:1 | Fails | Lc 27.9 | Dividers and decoration only |
| #91D3FB text on black | 12.91:1 | AAA | Lc -75.1 | 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 300.
-
Step 50
50
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DBEDF9
oklch(93.6% 0.025 236.8)
-
Step 200
200
#BBDFF5
oklch(88.5% 0.049 234.9)
-
Step 300
300 (this color)
#91D3FB
oklch(83.7% 0.087 235.8)
-
Step 400
400
#2CADEB
oklch(70.8% 0.139 235.5)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#91D3FB 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) | #C1D1FD | 0.056 |
| Deuteranopia (no green cones) | #B2C6FA | 0.048 |
| Tritanopia (no blue cones) | #66DDE0 | 0.067 |
| Achromatopsia (no color) | #CBCBCB | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D3FB
#91D3FB
oklch(83.7% 0.087 235.8)
- #F6BB92
#F6BB92
oklch(83.6% 0.087 56)
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 #91D3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.018
- Baby Blue #A2CFFE ΔE 0.022
- Sky Blue #87CEEB ΔE 0.027
- Sky #82CAFC ΔE 0.031
- Lightblue #7BC8F6 ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.052
- Light Steel Blue #B0C4DE ΔE 0.054
Use #91D3FB 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.