#91C2FB
Closest named color: Pastel Blue (#A2BFFE). oklch(80.1% 0.097 252.7), rgb(145, 194, 251).
Aa
Black text reads best on this color (11.31:1).
About this color
#91C2FB is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.097 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.022 away. Black text reads best on it, at 11.31:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.31:1 |
| White text | 1.85:1 |
Values
| HEX | #91C2FB |
| RGB | rgb(145, 194, 251) |
| HSL | hsl(212, 93%, 78%) |
| OKLCH | oklch(80.1% 0.097 252.7) |
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 #91C2FB | 1.85:1 | Fails | Lc -39.1 | Non-text elements, placeholder text |
| Black text on #91C2FB | 11.31:1 | AAA | Lc 69.0 | Content text, not long reading |
| #91C2FB text on white | 1.85:1 | Fails | Lc 34.9 | Non-text elements, placeholder text |
| #91C2FB text on black | 11.31:1 | AAA | Lc -67.6 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DDECFD
oklch(93.7% 0.028 251.5)
-
Step 200
200
#C1DCFC
oklch(88.5% 0.053 252.8)
-
Step 300
300 (this color)
#91C2FB
oklch(80.1% 0.097 252.7)
-
Step 400
400
#52A4FD
oklch(70.8% 0.154 252.4)
-
Step 500
500
#0089F9
oklch(63% 0.193 252.8)
-
Step 600
600
#0073D3
oklch(55.6% 0.171 252.9)
-
Step 700
700
#0061B2
oklch(49.2% 0.149 252.5)
-
Step 800
800
#004F93
oklch(42.7% 0.13 252.6)
-
Step 900
900
#00427C
oklch(37.8% 0.114 252.4)
-
Step 950
950
#01264D
oklch(26.9% 0.083 253.5)
#91C2FB 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) | #ACC4FE | 0.033 |
| Deuteranopia (no green cones) | #9FB9FA | 0.027 |
| Tritanopia (no blue cones) | #69CFD5 | 0.085 |
| Achromatopsia (no color) | #BEBEBE | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C2FB
#91C2FB
oklch(80.1% 0.097 252.7)
- #E4B477
#E4B477
oklch(80% 0.096 72.4)
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 #91C2FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.022
- Sky #82CAFC ΔE 0.024
- Lightblue #7BC8F6 ΔE 0.029
- Carolina Blue #8AB8FE ΔE 0.030
- Light Sky Blue #87CEFA ΔE 0.033
- Baby Blue #A2CFFE ΔE 0.041
- Sky Blue #87CEEB ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.049
Use #91C2FB 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.