#91C8F7
Closest named color: Sky (#82CAFC). oklch(81.2% 0.088 245), rgb(145, 200, 247).
Aa
Black text reads best on this color (11.80:1).
About this color
#91C8F7 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.088 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Sky (#82CAFC), ΔE 0.016 away. Black text reads best on it, at 11.80:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Sky (#82CAFC) |
| Black text | 11.80:1 |
| White text | 1.77:1 |
Values
| HEX | #91C8F7 |
| RGB | rgb(145, 200, 247) |
| HSL | hsl(208, 86%, 77%) |
| OKLCH | oklch(81.2% 0.088 245) |
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 #91C8F7 | 1.77:1 | Fails | Lc -36.7 | Non-text elements, placeholder text |
| Black text on #91C8F7 | 11.80:1 | AAA | Lc 71.2 | Content text, not long reading |
| #91C8F7 text on white | 1.77:1 | Fails | Lc 32.7 | Non-text elements, placeholder text |
| #91C8F7 text on black | 11.80:1 | AAA | Lc -70.0 | 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
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#DCECFA
oklch(93.5% 0.026 244.4)
-
Step 200
200
#BFDDF8
oklch(88.4% 0.049 245.6)
-
Step 300
300 (this color)
#91C8F7
oklch(81.2% 0.088 245)
-
Step 400
400
#48A8F2
oklch(70.7% 0.141 245.1)
-
Step 500
500
#0090E2
oklch(63.1% 0.159 245)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900
#004570
oklch(37.7% 0.095 244.9)
-
Step 950
950
#002945
oklch(27.1% 0.068 244.5)
#91C8F7 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) | #B5C8F9 | 0.043 |
| Deuteranopia (no green cones) | #A8BDF6 | 0.037 |
| Tritanopia (no blue cones) | #6AD3D8 | 0.072 |
| Achromatopsia (no color) | #C2C2C2 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C8F7
#91C8F7
oklch(81.2% 0.088 245)
- #E9B685
#E9B685
oklch(81.1% 0.087 64.9)
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 #91C8F7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky #82CAFC ΔE 0.016
- Light Sky Blue #87CEFA ΔE 0.017
- Lightblue #7BC8F6 ΔE 0.022
- Baby Blue #A2CFFE ΔE 0.029
- Sky Blue #87CEEB ΔE 0.029
- Pastel Blue #A2BFFE ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.046
Use #91C8F7 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.