#91D0FB
Closest named color: Light Sky Blue (#87CEFA). oklch(83% 0.088 239), rgb(145, 208, 251).
Aa
Black text reads best on this color (12.61:1).
About this color
#91D0FB is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.088 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.012 away. Black text reads best on it, at 12.61:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.61:1 |
| White text | 1.66:1 |
Values
| HEX | #91D0FB |
| RGB | rgb(145, 208, 251) |
| HSL | hsl(204, 93%, 78%) |
| OKLCH | oklch(83% 0.088 239) |
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 #91D0FB | 1.66:1 | Fails | Lc -32.8 | Non-text elements, placeholder text |
| Black text on #91D0FB | 12.61:1 | AAA | Lc 74.7 | Content text, not long reading |
| #91D0FB text on white | 1.66:1 | Fails | Lc 29.1 | Dividers and decoration only |
| #91D0FB text on black | 12.61:1 | AAA | Lc -73.7 | 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DBEDF9
oklch(93.6% 0.025 236.8)
-
Step 200
200
#BCDEF7
oklch(88.4% 0.05 240)
-
Step 300
300 (this color)
#91D0FB
oklch(83% 0.088 239)
-
Step 400
400
#35ABEE
oklch(70.7% 0.141 239)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#91D0FB 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) | #BDCFFD | 0.051 |
| Deuteranopia (no green cones) | #AFC4FA | 0.044 |
| Tritanopia (no blue cones) | #67DBDE | 0.070 |
| Achromatopsia (no color) | #C9C9C9 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D0FB
#91D0FB
oklch(83% 0.088 239)
- #F3BA8E
#F3BA8E
oklch(83.1% 0.088 58.8)
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 #91D0FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.012
- Baby Blue #A2CFFE ΔE 0.020
- Sky #82CAFC ΔE 0.024
- Sky Blue #87CEEB ΔE 0.026
- Lightblue #7BC8F6 ΔE 0.033
- Pastel Blue #A2BFFE ΔE 0.049
- Light Blue Grey #B7C9E2 ΔE 0.051
- Light Steel Blue #B0C4DE ΔE 0.051
Use #91D0FB 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.