#91CFF1
Closest named color: Sky Blue (#87CEEB). oklch(82.4% 0.079 233), rgb(145, 207, 241).
Aa
Black text reads best on this color (12.39:1).
About this color
#91CFF1 is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.079 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.014 away. Black text reads best on it, at 12.39:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.39:1 |
| White text | 1.69:1 |
Values
| HEX | #91CFF1 |
| RGB | rgb(145, 207, 241) |
| HSL | hsl(201, 77%, 76%) |
| OKLCH | oklch(82.4% 0.079 233) |
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 #91CFF1 | 1.69:1 | Fails | Lc -33.9 | Non-text elements, placeholder text |
| Black text on #91CFF1 | 12.39:1 | AAA | Lc 73.7 | Content text, not long reading |
| #91CFF1 text on white | 1.69:1 | Fails | Lc 30.1 | Non-text elements, placeholder text |
| #91CFF1 text on black | 12.39:1 | AAA | Lc -72.7 | 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
#DCEDF7
oklch(93.6% 0.023 233.4)
-
Step 200
200
#BDDFF2
oklch(88.5% 0.044 232.4)
-
Step 300
300 (this color)
#91CFF1
oklch(82.4% 0.079 233)
-
Step 400
400
#3AADE2
oklch(70.7% 0.126 232.9)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#91CFF1 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) | #BFCDF3 | 0.054 |
| Deuteranopia (no green cones) | #B1C2F1 | 0.048 |
| Tritanopia (no blue cones) | #6CD8DA | 0.059 |
| Achromatopsia (no color) | #C7C7C7 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CFF1
#91CFF1
oklch(82.4% 0.079 233)
- #EFB896
#EFB896
oklch(82.4% 0.079 53)
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 #91CFF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.014
- Light Sky Blue #87CEFA ΔE 0.017
- Baby Blue #A2CFFE ΔE 0.028
- Sky #82CAFC ΔE 0.028
- Lightblue #7BC8F6 ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.044
- Light Blue Grey #B7C9E2 ΔE 0.046
Use #91CFF1 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.