#91C5F3
Closest named color: Sky (#82CAFC). oklch(80.4% 0.085 245.8), rgb(145, 197, 243).
Aa
Black text reads best on this color (11.48:1).
About this color
#91C5F3 is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.085 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Sky (#82CAFC), ΔE 0.020 away. Black text reads best on it, at 11.48:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Sky (#82CAFC) |
| Black text | 11.48:1 |
| White text | 1.82:1 |
Values
| HEX | #91C5F3 |
| RGB | rgb(145, 197, 243) |
| HSL | hsl(208, 80%, 76%) |
| OKLCH | oklch(80.4% 0.085 245.8) |
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 #91C5F3 | 1.82:1 | Fails | Lc -38.3 | Non-text elements, placeholder text |
| Black text on #91C5F3 | 11.48:1 | AAA | Lc 69.7 | Content text, not long reading |
| #91C5F3 text on white | 1.82:1 | Fails | Lc 34.1 | Non-text elements, placeholder text |
| #91C5F3 text on black | 11.48:1 | AAA | Lc -68.4 | 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
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#DDECFA
oklch(93.6% 0.025 246.2)
-
Step 200
200
#C0DDF7
oklch(88.5% 0.047 245.4)
-
Step 300
300 (this color)
#91C5F3
oklch(80.4% 0.085 245.8)
-
Step 400
400
#4EA8F0
oklch(70.8% 0.136 245.6)
-
Step 500
500
#008FE4
oklch(63% 0.162 246)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#004571
oklch(37.8% 0.096 245.5)
-
Step 950
950
#002846
oklch(26.9% 0.07 246.6)
#91C5F3 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) | #B2C5F5 | 0.040 |
| Deuteranopia (no green cones) | #A6BBF2 | 0.034 |
| Tritanopia (no blue cones) | #6DD0D4 | 0.072 |
| Achromatopsia (no color) | #C0C0C0 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C5F3
#91C5F3
oklch(80.4% 0.085 245.8)
- #E5B484
#E5B484
oklch(80.3% 0.085 65.5)
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 #91C5F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky #82CAFC ΔE 0.020
- Lightblue #7BC8F6 ΔE 0.022
- Light Sky Blue #87CEFA ΔE 0.024
- Sky Blue #87CEEB ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.036
- Carolina Blue #8AB8FE ΔE 0.044
Use #91C5F3 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.