#91C9EC
Closest named color: Sky Blue (#87CEEB). oklch(81% 0.076 236.4), rgb(145, 201, 236).
Aa
Black text reads best on this color (11.76:1).
About this color
#91C9EC is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.076 and its hue 236°. 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 11.76:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.76:1 |
| White text | 1.78:1 |
Values
| HEX | #91C9EC |
| RGB | rgb(145, 201, 236) |
| HSL | hsl(203, 71%, 75%) |
| OKLCH | oklch(81% 0.076 236.4) |
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 #91C9EC | 1.78:1 | Fails | Lc -36.9 | Non-text elements, placeholder text |
| Black text on #91C9EC | 11.76:1 | AAA | Lc 71.0 | Content text, not long reading |
| #91C9EC text on white | 1.78:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #91C9EC text on black | 11.76:1 | AAA | Lc -69.8 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DDEDF7
oklch(93.7% 0.022 235)
-
Step 200
200
#C0DEF2
oklch(88.5% 0.042 237.2)
-
Step 300
300 (this color)
#91C9EC
oklch(81% 0.076 236.4)
-
Step 400
400
#48ABE2
oklch(70.6% 0.122 236.6)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#91C9EC 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) | #B9C8EE | 0.048 |
| Deuteranopia (no green cones) | #ADBDEB | 0.043 |
| Tritanopia (no blue cones) | #70D2D4 | 0.059 |
| Achromatopsia (no color) | #C2C2C2 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C9EC
#91C9EC
oklch(81% 0.076 236.4)
- #E8B591
#E8B591
oklch(81.1% 0.077 56.6)
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 #91C9EC, 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 Sky Blue #87CEFA ΔE 0.021
- Sky #82CAFC ΔE 0.026
- Lightblue #7BC8F6 ΔE 0.026
- Light Cornflower Blue #98C1D9 ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.038
Use #91C9EC 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.