#91C9E5
Closest named color: Sky Blue (#87CEEB). oklch(80.7% 0.07 230.4), rgb(145, 201, 229).
Aa
Black text reads best on this color (11.69:1).
About this color
#91C9E5 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.070 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.015 away. Black text reads best on it, at 11.69:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.69:1 |
| White text | 1.79:1 |
Values
| HEX | #91C9E5 |
| RGB | rgb(145, 201, 229) |
| HSL | hsl(200, 62%, 73%) |
| OKLCH | oklch(80.7% 0.07 230.4) |
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 #91C9E5 | 1.79:1 | Fails | Lc -37.3 | Non-text elements, placeholder text |
| Black text on #91C9E5 | 11.69:1 | AAA | Lc 70.6 | Content text, not long reading |
| #91C9E5 text on white | 1.79:1 | Fails | Lc 33.2 | Non-text elements, placeholder text |
| #91C9E5 text on black | 11.69:1 | AAA | Lc -69.4 | 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
#DDEDF5
oklch(93.7% 0.02 229)
-
Step 200
200
#C0DFEE
oklch(88.6% 0.039 228.6)
-
Step 300
300 (this color)
#91C9E5
oklch(80.7% 0.07 230.4)
-
Step 400
400
#49ADD9
oklch(70.7% 0.112 230.3)
-
Step 500
500
#0096C7
oklch(63.1% 0.126 230.5)
-
Step 600
600
#007EA8
oklch(55.6% 0.112 230.6)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#91C9E5 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) | #BBC7E6 | 0.050 |
| Deuteranopia (no green cones) | #AFBDE5 | 0.045 |
| Tritanopia (no blue cones) | #73D1D2 | 0.050 |
| Achromatopsia (no color) | #C1C1C1 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C9E5
#91C9E5
oklch(80.7% 0.07 230.4)
- #E6B498
#E6B498
oklch(80.8% 0.07 50.6)
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 #91C9E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.015
- Light Cornflower Blue #98C1D9 ΔE 0.023
- Light Sky Blue #87CEFA ΔE 0.029
- Lightblue #7BC8F6 ΔE 0.032
- Sky #82CAFC ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.035
- Light Grey Blue #9DBCD4 ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.037
Use #91C9E5 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.