#91C6FB
Closest named color: Sky (#82CAFC). oklch(80.9% 0.094 249), rgb(145, 198, 251).
Aa
Black text reads best on this color (11.67:1).
About this color
#91C6FB is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.094 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Sky (#82CAFC), ΔE 0.017 away. Black text reads best on it, at 11.67:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Sky (#82CAFC) |
| Black text | 11.67:1 |
| White text | 1.79:1 |
Values
| HEX | #91C6FB |
| RGB | rgb(145, 198, 251) |
| HSL | hsl(210, 93%, 78%) |
| OKLCH | oklch(80.9% 0.094 249) |
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 #91C6FB | 1.79:1 | Fails | Lc -37.3 | Non-text elements, placeholder text |
| Black text on #91C6FB | 11.67:1 | AAA | Lc 70.6 | Content text, not long reading |
| #91C6FB text on white | 1.79:1 | Fails | Lc 33.3 | Non-text elements, placeholder text |
| #91C6FB text on black | 11.67:1 | AAA | Lc -69.3 | 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
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DDECFC
oklch(93.7% 0.027 249.9)
-
Step 200
200
#BFDDFB
oklch(88.5% 0.052 248.4)
-
Step 300
300 (this color)
#91C6FB
oklch(80.9% 0.094 249)
-
Step 400
400
#4BA6F9
oklch(70.7% 0.149 249)
-
Step 500
500
#008DED
oklch(63.1% 0.175 249.1)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950
#002849
oklch(27.1% 0.074 248.8)
#91C6FB 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) | #B1C7FD | 0.038 |
| Deuteranopia (no green cones) | #A4BCFA | 0.032 |
| Tritanopia (no blue cones) | #68D2D8 | 0.079 |
| Achromatopsia (no color) | #C1C1C1 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C6FB
#91C6FB
oklch(80.9% 0.094 249)
- #E8B67D
#E8B67D
oklch(80.9% 0.094 69.5)
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 #91C6FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky #82CAFC ΔE 0.017
- Light Sky Blue #87CEFA ΔE 0.023
- Lightblue #7BC8F6 ΔE 0.025
- Pastel Blue #A2BFFE ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.032
- Sky Blue #87CEEB ΔE 0.038
- Carolina Blue #8AB8FE ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.047
Use #91C6FB 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.