#91BEF2
Closest named color: Pastel Blue (#A2BFFE). oklch(78.9% 0.089 252.5), rgb(145, 190, 242).
Aa
Black text reads best on this color (10.85:1).
About this color
#91BEF2 is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.089 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.028 away. Black text reads best on it, at 10.85:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.85:1 |
| White text | 1.93:1 |
Values
| HEX | #91BEF2 |
| RGB | rgb(145, 190, 242) |
| HSL | hsl(212, 79%, 76%) |
| OKLCH | oklch(78.9% 0.089 252.5) |
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 #91BEF2 | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #91BEF2 | 10.85:1 | AAA | Lc 66.9 | Content text, not long reading |
| #91BEF2 text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #91BEF2 text on black | 10.85:1 | AAA | Lc -65.4 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEEBFB
oklch(93.5% 0.026 253.6)
-
Step 200
200
#C3DCFA
oklch(88.6% 0.049 253.1)
-
Step 300
300 (this color)
#91BEF2
oklch(78.9% 0.089 252.5)
-
Step 400
400
#5AA4F6
oklch(70.7% 0.142 252.6)
-
Step 500
500
#1B8AF2
oklch(63% 0.181 252.6)
-
Step 600
600
#0073D2
oklch(55.5% 0.17 252.7)
-
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
#042749
oklch(27% 0.074 251.8)
#91BEF2 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) | #AAC0F4 | 0.031 |
| Deuteranopia (no green cones) | #9FB6F1 | 0.025 |
| Tritanopia (no blue cones) | #6ECACF | 0.078 |
| Achromatopsia (no color) | #BABABA | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BEF2
#91BEF2
oklch(78.9% 0.089 252.5)
- #DDB17A
#DDB17A
oklch(78.8% 0.088 72.2)
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 #91BEF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.028
- Carolina Blue #8AB8FE ΔE 0.028
- Lightblue #7BC8F6 ΔE 0.032
- Sky #82CAFC ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.041
- Light Grey Blue #9DBCD4 ΔE 0.043
- Sky Blue #87CEEB ΔE 0.048
Use #91BEF2 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.