#91CFFA
Closest named color: Light Sky Blue (#87CEFA). oklch(82.8% 0.088 239.5), rgb(145, 207, 250).
Aa
Black text reads best on this color (12.50:1).
About this color
#91CFFA is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.088 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.011 away. Black text reads best on it, at 12.50:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.50:1 |
| White text | 1.67:1 |
Values
| HEX | #91CFFA |
| RGB | rgb(145, 207, 250) |
| HSL | hsl(205, 91%, 77%) |
| OKLCH | oklch(82.8% 0.088 239.5) |
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 #91CFFA | 1.67:1 | Fails | Lc -33.3 | Non-text elements, placeholder text |
| Black text on #91CFFA | 12.50:1 | AAA | Lc 74.2 | Content text, not long reading |
| #91CFFA text on white | 1.67:1 | Fails | Lc 29.6 | Dividers and decoration only |
| #91CFFA text on black | 12.50:1 | AAA | Lc -73.2 | 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DBEDF9
oklch(93.6% 0.025 236.8)
-
Step 200
200
#BDDEF6
oklch(88.4% 0.048 239.7)
-
Step 300
300 (this color)
#91CFFA
oklch(82.8% 0.088 239.5)
-
Step 400
400
#38ABEE
oklch(70.7% 0.14 239.3)
-
Step 500
500
#0093D6
oklch(63.1% 0.143 239.3)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006899
oklch(49.2% 0.111 239.3)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#91CFFA 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) | #BCCEFC | 0.050 |
| Deuteranopia (no green cones) | #AEC3F9 | 0.043 |
| Tritanopia (no blue cones) | #67DADD | 0.070 |
| Achromatopsia (no color) | #C8C8C8 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CFFA
#91CFFA
oklch(82.8% 0.088 239.5)
- #F2B98D
#F2B98D
oklch(82.7% 0.088 58.8)
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 #91CFFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.011
- Baby Blue #A2CFFE ΔE 0.020
- Sky #82CAFC ΔE 0.022
- Sky Blue #87CEEB ΔE 0.025
- Lightblue #7BC8F6 ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.051
Use #91CFFA 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.