#91D0EF
Closest named color: Sky Blue (#87CEEB). oklch(82.6% 0.077 230.1), rgb(145, 208, 239).
Aa
Black text reads best on this color (12.47:1).
About this color
#91D0EF is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.077 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.013 away. Black text reads best on it, at 12.47:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.47:1 |
| White text | 1.68:1 |
Values
| HEX | #91D0EF |
| RGB | rgb(145, 208, 239) |
| HSL | hsl(200, 75%, 75%) |
| OKLCH | oklch(82.6% 0.077 230.1) |
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 #91D0EF | 1.68:1 | Fails | Lc -33.5 | Non-text elements, placeholder text |
| Black text on #91D0EF | 12.47:1 | AAA | Lc 74.0 | Content text, not long reading |
| #91D0EF text on white | 1.68:1 | Fails | Lc 29.8 | Dividers and decoration only |
| #91D0EF text on black | 12.47:1 | AAA | Lc -73.0 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF6
oklch(93.6% 0.022 230.5)
-
Step 200
200
#BDDFF0
oklch(88.4% 0.043 229.5)
-
Step 300
300 (this color)
#91D0EF
oklch(82.6% 0.077 230.1)
-
Step 400
400
#37AEDF
oklch(70.7% 0.124 230.3)
-
Step 500
500
#0096C7
oklch(63.1% 0.126 230.5)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#91D0EF 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) | #C1CEF1 | 0.057 |
| Deuteranopia (no green cones) | #B3C3EF | 0.049 |
| Tritanopia (no blue cones) | #6DD9DA | 0.056 |
| Achromatopsia (no color) | #C7C7C7 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D0EF
#91D0EF
oklch(82.6% 0.077 230.1)
- #F0B899
#F0B899
oklch(82.6% 0.078 50.2)
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 #91D0EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.013
- Light Sky Blue #87CEFA ΔE 0.020
- Baby Blue #A2CFFE ΔE 0.031
- Sky #82CAFC ΔE 0.032
- Lightblue #7BC8F6 ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.044
Use #91D0EF 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.