#91C9F3
Closest named color: Light Sky Blue (#87CEFA). oklch(81.2% 0.083 241.4), rgb(145, 201, 243).
Aa
Black text reads best on this color (11.85:1).
About this color
#91C9F3 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.083 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.016 away. Black text reads best on it, at 11.85:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 11.85:1 |
| White text | 1.77:1 |
Values
| HEX | #91C9F3 |
| RGB | rgb(145, 201, 243) |
| HSL | hsl(206, 80%, 76%) |
| OKLCH | oklch(81.2% 0.083 241.4) |
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 #91C9F3 | 1.77:1 | Fails | Lc -36.5 | Non-text elements, placeholder text |
| Black text on #91C9F3 | 11.85:1 | AAA | Lc 71.4 | Content text, not long reading |
| #91C9F3 text on white | 1.77:1 | Fails | Lc 32.5 | Non-text elements, placeholder text |
| #91C9F3 text on black | 11.85:1 | AAA | Lc -70.2 | 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
#DCECF9
oklch(93.5% 0.025 242.3)
-
Step 200
200
#BFDEF5
oklch(88.5% 0.046 240.2)
-
Step 300
300 (this color)
#91C9F3
oklch(81.2% 0.083 241.4)
-
Step 400
400
#46AAEC
oklch(70.8% 0.133 241.3)
-
Step 500
500
#0092DA
oklch(63.1% 0.148 241.4)
-
Step 600
600
#007AB8
oklch(55.5% 0.131 241.7)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#002942
oklch(26.9% 0.063 241.6)
#91C9F3 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) | #B7C8F5 | 0.045 |
| Deuteranopia (no green cones) | #AABEF2 | 0.038 |
| Tritanopia (no blue cones) | #6CD3D7 | 0.067 |
| Achromatopsia (no color) | #C3C3C3 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C9F3
#91C9F3
oklch(81.2% 0.083 241.4)
- #E9B68A
#E9B68A
oklch(81.2% 0.083 62)
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 #91C9F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.016
- Sky #82CAFC ΔE 0.018
- Sky Blue #87CEEB ΔE 0.023
- Lightblue #7BC8F6 ΔE 0.023
- Baby Blue #A2CFFE ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.043
Use #91C9F3 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.