#91CAF3
Closest named color: Light Sky Blue (#87CEFA). oklch(81.5% 0.083 240.3), rgb(145, 202, 243).
Aa
Black text reads best on this color (11.94:1).
About this color
#91CAF3 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.083 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.014 away. Black text reads best on it, at 11.94:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 11.94:1 |
| White text | 1.75:1 |
Values
| HEX | #91CAF3 |
| RGB | rgb(145, 202, 243) |
| HSL | hsl(205, 80%, 76%) |
| OKLCH | oklch(81.5% 0.083 240.3) |
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 #91CAF3 | 1.75:1 | Fails | Lc -36.0 | Non-text elements, placeholder text |
| Black text on #91CAF3 | 11.94:1 | AAA | Lc 71.8 | Content text, not long reading |
| #91CAF3 text on white | 1.75:1 | Fails | Lc 32.1 | Non-text elements, placeholder text |
| #91CAF3 text on black | 11.94:1 | AAA | Lc -70.6 | 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)
#91CAF3
oklch(81.5% 0.083 240.3)
-
Step 400
400
#44AAEA
oklch(70.6% 0.132 240.2)
-
Step 500
500
#0092D8
oklch(63% 0.146 240.6)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#00679A
oklch(49.1% 0.113 240.5)
-
Step 800
800
#00547F
oklch(42.6% 0.099 240.7)
-
Step 900
900
#00466B
oklch(37.7% 0.087 240.8)
-
Step 950
950
#002941
oklch(26.8% 0.062 240.6)
#91CAF3 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) | #B8C9F5 | 0.046 |
| Deuteranopia (no green cones) | #ABBFF2 | 0.039 |
| Tritanopia (no blue cones) | #6CD4D7 | 0.066 |
| Achromatopsia (no color) | #C3C3C3 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CAF3
#91CAF3
oklch(81.5% 0.083 240.3)
- #EBB68C
#EBB68C
oklch(81.5% 0.083 59.7)
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 #91CAF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.014
- Sky #82CAFC ΔE 0.019
- Sky Blue #87CEEB ΔE 0.021
- Lightblue #7BC8F6 ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Pastel Blue #A2BFFE ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.043
Use #91CAF3 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.