#91C8E5
Closest named color: Sky Blue (#87CEEB). oklch(80.5% 0.07 231.7), rgb(145, 200, 229).
Aa
Black text reads best on this color (11.59:1).
About this color
#91C8E5 is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.070 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.017 away. Black text reads best on it, at 11.59:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.59:1 |
| White text | 1.81:1 |
Values
| HEX | #91C8E5 |
| RGB | rgb(145, 200, 229) |
| HSL | hsl(201, 62%, 73%) |
| OKLCH | oklch(80.5% 0.07 231.7) |
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 #91C8E5 | 1.81:1 | Fails | Lc -37.7 | Non-text elements, placeholder text |
| Black text on #91C8E5 | 11.59:1 | AAA | Lc 70.2 | Content text, not long reading |
| #91C8E5 text on white | 1.81:1 | Fails | Lc 33.7 | Non-text elements, placeholder text |
| #91C8E5 text on black | 11.59:1 | AAA | Lc -69.0 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DDEDF5
oklch(93.7% 0.02 229)
-
Step 200
200
#C0DEEF
oklch(88.4% 0.04 232.7)
-
Step 300
300 (this color)
#91C8E5
oklch(80.5% 0.07 231.7)
-
Step 400
400
#4BADDA
oklch(70.8% 0.112 231.3)
-
Step 500
500
#0096C9
oklch(63.2% 0.128 231.5)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#91C8E5 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) | #BAC6E7 | 0.049 |
| Deuteranopia (no green cones) | #AEBCE5 | 0.045 |
| Tritanopia (no blue cones) | #73D0D1 | 0.052 |
| Achromatopsia (no color) | #C0C0C0 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C8E5
#91C8E5
oklch(80.5% 0.07 231.7)
- #E5B396
#E5B396
oklch(80.5% 0.071 51.5)
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 #91C8E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.017
- Light Cornflower Blue #98C1D9 ΔE 0.021
- Light Sky Blue #87CEFA ΔE 0.030
- Lightblue #7BC8F6 ΔE 0.031
- Sky #82CAFC ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.034
- Light Grey Blue #9DBCD4 ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.036
Use #91C8E5 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.