#91CAE9
Closest named color: Sky Blue (#87CEEB). oklch(81.1% 0.073 232.6), rgb(145, 202, 233).
Aa
Black text reads best on this color (11.82:1).
About this color
#91CAE9 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.073 and its hue 233°. 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 11.82:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.82:1 |
| White text | 1.77:1 |
Values
| HEX | #91CAE9 |
| RGB | rgb(145, 202, 233) |
| HSL | hsl(201, 67%, 74%) |
| OKLCH | oklch(81.1% 0.073 232.6) |
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 #91CAE9 | 1.77:1 | Fails | Lc -36.6 | Non-text elements, placeholder text |
| Black text on #91CAE9 | 11.82:1 | AAA | Lc 71.2 | Content text, not long reading |
| #91CAE9 text on white | 1.77:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #91CAE9 text on black | 11.82:1 | AAA | Lc -70.1 | 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
#DDEDF6
oklch(93.7% 0.021 232.1)
-
Step 200
200
#BFDEF0
oklch(88.4% 0.041 233.4)
-
Step 300
300 (this color)
#91CAE9
oklch(81.1% 0.073 232.6)
-
Step 400
400
#46ADDD
oklch(70.8% 0.117 232.1)
-
Step 500
500
#0095CA
oklch(63% 0.13 232.7)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002B3D
oklch(27.1% 0.055 231.9)
#91CAE9 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) | #BBC8EB | 0.050 |
| Deuteranopia (no green cones) | #AFBEE9 | 0.045 |
| Tritanopia (no blue cones) | #71D2D4 | 0.053 |
| Achromatopsia (no color) | #C2C2C2 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CAE9
#91CAE9
oklch(81.1% 0.073 232.6)
- #E8B595
#E8B595
oklch(81.1% 0.074 53.5)
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 #91CAE9, 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 0.024
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Lightblue #7BC8F6 ΔE 0.030
- Sky #82CAFC ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.038
Use #91CAE9 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.