#91BEFF
Closest named color: Carolina Blue (#8AB8FE). oklch(79.4% 0.105 257.5), rgb(145, 190, 255).
Aa
Black text reads best on this color (11.01:1).
About this color
#91BEFF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.105 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.019 away. Black text reads best on it, at 11.01:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 11.01:1 |
| White text | 1.90:1 |
Values
| HEX | #91BEFF |
| RGB | rgb(145, 190, 255) |
| HSL | hsl(215, 100%, 78%) |
| OKLCH | oklch(79.4% 0.105 257.5) |
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 #91BEFF | 1.90:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #91BEFF | 11.01:1 | AAA | Lc 67.6 | Content text, not long reading |
| #91BEFF text on white | 1.90:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #91BEFF text on black | 11.01:1 | AAA | Lc -66.2 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFF
oklch(93.6% 0.031 258.9)
-
Step 200
200
#C2DBFF
oklch(88.5% 0.057 257.5)
-
Step 300
300 (this color)
#91BEFF
oklch(79.4% 0.105 257.5)
-
Step 400
400
#5FA1FF
oklch(70.7% 0.154 257.4)
-
Step 500
500
#2A85FF
oklch(63.1% 0.2 257.6)
-
Step 600
600
#006DE6
oklch(55.7% 0.202 257.5)
-
Step 700
700
#005BC3
oklch(49.1% 0.179 257.6)
-
Step 800
800
#004AA1
oklch(42.6% 0.155 257.6)
-
Step 900
900
#003E88
oklch(37.8% 0.136 257.4)
-
Step 950
950
#042550
oklch(27% 0.088 256.9)
#91BEFF 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) | #A6C2FF | 0.028 |
| Deuteranopia (no green cones) | #99B7FE | 0.019 |
| Tritanopia (no blue cones) | #68CCD4 | 0.093 |
| Achromatopsia (no color) | #BCBCBC | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BEFF
#91BEFF
oklch(79.4% 0.105 257.5)
- #E1B36B
#E1B36B
oklch(79.3% 0.105 77.5)
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 #91BEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.019
- Pastel Blue #A2BFFE ΔE 0.020
- Sky #82CAFC ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Sky Blue #87CEEB ΔE 0.059
Use #91BEFF 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.