#91BEF3
Closest named color: Pastel Blue (#A2BFFE). oklch(78.9% 0.09 253), rgb(145, 190, 243).
Aa
Black text reads best on this color (10.86:1).
About this color
#91BEF3 is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.090 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.027 away. Black text reads best on it, at 10.86:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.86:1 |
| White text | 1.93:1 |
Values
| HEX | #91BEF3 |
| RGB | rgb(145, 190, 243) |
| HSL | hsl(212, 80%, 76%) |
| OKLCH | oklch(78.9% 0.09 253) |
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 #91BEF3 | 1.93:1 | Fails | Lc -41.3 | Non-text elements, placeholder text |
| Black text on #91BEF3 | 10.86:1 | AAA | Lc 66.9 | Content text, not long reading |
| #91BEF3 text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #91BEF3 text on black | 10.86:1 | AAA | Lc -65.5 | 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
#DEEBFB
oklch(93.5% 0.026 253.6)
-
Step 200
200
#C2DCFA
oklch(88.5% 0.05 252.1)
-
Step 300
300 (this color)
#91BEF3
oklch(78.9% 0.09 253)
-
Step 400
400
#5AA4F7
oklch(70.7% 0.143 252.8)
-
Step 500
500
#1A8AF4
oklch(63.1% 0.184 252.9)
-
Step 600
600
#0073D3
oklch(55.6% 0.171 252.9)
-
Step 700
700
#0060B3
oklch(49% 0.152 253.2)
-
Step 800
800
#004F94
oklch(42.8% 0.131 252.8)
-
Step 900
900
#00417D
oklch(37.6% 0.117 253.3)
-
Step 950
950
#04274A
oklch(27.1% 0.076 252.4)
#91BEF3 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) | #AAC0F5 | 0.031 |
| Deuteranopia (no green cones) | #9EB6F2 | 0.024 |
| Tritanopia (no blue cones) | #6ECAD0 | 0.078 |
| Achromatopsia (no color) | #BABABA | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BEF3
#91BEF3
oklch(78.9% 0.09 253)
- #DEB279
#DEB279
oklch(79% 0.09 73.1)
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 #91BEF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.027
- Carolina Blue #8AB8FE ΔE 0.027
- Lightblue #7BC8F6 ΔE 0.032
- Sky #82CAFC ΔE 0.032
- Light Sky Blue #87CEFA ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Light Grey Blue #9DBCD4 ΔE 0.045
- Sky Blue #87CEEB ΔE 0.049
Use #91BEF3 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.