#91CFF5
Closest named color: Light Sky Blue (#87CEFA). oklch(82.6% 0.083 236), rgb(145, 207, 245).
Aa
Black text reads best on this color (12.44:1).
About this color
#91CFF5 is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.083 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.013 away. Black text reads best on it, at 12.44:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.44:1 |
| White text | 1.68:1 |
Values
| HEX | #91CFF5 |
| RGB | rgb(145, 207, 245) |
| HSL | hsl(203, 83%, 76%) |
| OKLCH | oklch(82.6% 0.083 236) |
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 #91CFF5 | 1.68:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #91CFF5 | 12.44:1 | AAA | Lc 73.9 | Content text, not long reading |
| #91CFF5 text on white | 1.68:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #91CFF5 text on black | 12.44:1 | AAA | Lc -72.9 | Content text, not long reading |
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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DBEDF8
oklch(93.6% 0.024 234.4)
-
Step 200
200
#BDDFF4
oklch(88.6% 0.046 235.2)
-
Step 300
300 (this color)
#91CFF5
oklch(82.6% 0.083 236)
-
Step 400
400
#39ACE8
oklch(70.7% 0.133 236.3)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007CAF
oklch(55.5% 0.12 236.1)
-
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
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#91CFF5 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) | #BECDF7 | 0.053 |
| Deuteranopia (no green cones) | #B0C2F4 | 0.046 |
| Tritanopia (no blue cones) | #6AD9DB | 0.064 |
| Achromatopsia (no color) | #C7C7C7 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CFF5
#91CFF5
oklch(82.6% 0.083 236)
- #F0B992
#F0B992
oklch(82.6% 0.082 56.6)
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 #91CFF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.013
- Sky Blue #87CEEB ΔE 0.019
- Baby Blue #A2CFFE ΔE 0.024
- Sky #82CAFC ΔE 0.025
- Lightblue #7BC8F6 ΔE 0.031
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.048
Use #91CFF5 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.