#91D1FD
Closest named color: Light Sky Blue (#87CEFA). oklch(83.3% 0.09 239.3), rgb(145, 209, 253).
Aa
Black text reads best on this color (12.74:1).
About this color
#91D1FD is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.090 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.014 away. Black text reads best on it, at 12.74:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.74:1 |
| White text | 1.64:1 |
Values
| HEX | #91D1FD |
| RGB | rgb(145, 209, 253) |
| HSL | hsl(204, 96%, 78%) |
| OKLCH | oklch(83.3% 0.09 239.3) |
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 #91D1FD | 1.64:1 | Fails | Lc -32.2 | Non-text elements, placeholder text |
| Black text on #91D1FD | 12.74:1 | AAA | Lc 75.2 | Fine for body text |
| #91D1FD text on white | 1.64:1 | Fails | Lc 28.6 | Dividers and decoration only |
| #91D1FD text on black | 12.74:1 | AAA | Lc -74.3 | 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
#DBEDFA
oklch(93.7% 0.026 239.1)
-
Step 200
200
#BCDEF7
oklch(88.4% 0.05 240)
-
Step 300
300 (this color)
#91D1FD
oklch(83.3% 0.09 239.3)
-
Step 400
400
#32ABF0
oklch(70.7% 0.144 239.4)
-
Step 500
500
#0093D6
oklch(63.1% 0.143 239.3)
-
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
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#91D1FD 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) | #BED0FF | 0.052 |
| Deuteranopia (no green cones) | #AFC4FC | 0.045 |
| Tritanopia (no blue cones) | #65DCDF | 0.072 |
| Achromatopsia (no color) | #C9C9C9 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D1FD
#91D1FD
oklch(83.3% 0.09 239.3)
- #F5BB8D
#F5BB8D
oklch(83.4% 0.09 59.5)
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 #91D1FD, 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
- Baby Blue #A2CFFE ΔE 0.019
- Sky #82CAFC ΔE 0.026
- Sky Blue #87CEEB ΔE 0.029
- Lightblue #7BC8F6 ΔE 0.035
- Pastel Blue #A2BFFE ΔE 0.050
- Light Blue #ADD8E6 ΔE 0.052
- Light Blue Grey #B7C9E2 ΔE 0.053
Use #91D1FD 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.