#91BEF9
Closest named color: Carolina Blue (#8AB8FE). oklch(79.2% 0.097 255.4), rgb(145, 190, 249).
Aa
Black text reads best on this color (10.93:1).
About this color
#91BEF9 is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.097 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.022 away. Black text reads best on it, at 10.93:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.93:1 |
| White text | 1.92:1 |
Values
| HEX | #91BEF9 |
| RGB | rgb(145, 190, 249) |
| HSL | hsl(214, 90%, 77%) |
| OKLCH | oklch(79.2% 0.097 255.4) |
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 #91BEF9 | 1.92:1 | Fails | Lc -40.9 | Non-text elements, placeholder text |
| Black text on #91BEF9 | 10.93:1 | AAA | Lc 67.3 | Content text, not long reading |
| #91BEF9 text on white | 1.92:1 | Fails | Lc 36.6 | Non-text elements, placeholder text |
| #91BEF9 text on black | 10.93:1 | AAA | Lc -65.8 | 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
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C2DBFD
oklch(88.4% 0.054 256.1)
-
Step 300
300 (this color)
#91BEF9
oklch(79.2% 0.097 255.4)
-
Step 400
400
#59A2FF
oklch(70.7% 0.155 255.4)
-
Step 500
500
#1B87FE
oklch(63.2% 0.199 255.5)
-
Step 600
600
#0070DC
oklch(55.6% 0.186 255.4)
-
Step 700
700
#005EBB
oklch(49.1% 0.165 255.5)
-
Step 800
800
#004D9A
oklch(42.7% 0.142 255.2)
-
Step 900
900
#004082
oklch(37.8% 0.125 255.2)
-
Step 950
950
#04264D
oklch(27% 0.082 254.9)
#91BEF9 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) | #A8C1FC | 0.030 |
| Deuteranopia (no green cones) | #9CB6F8 | 0.023 |
| Tritanopia (no blue cones) | #6BCBD2 | 0.086 |
| Achromatopsia (no color) | #BBBBBB | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BEF9
#91BEF9
oklch(79.2% 0.097 255.4)
- #E0B272
#E0B272
oklch(79.1% 0.098 74.8)
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 #91BEF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.022
- Pastel Blue #A2BFFE ΔE 0.022
- Sky #82CAFC ΔE 0.033
- Lightblue #7BC8F6 ΔE 0.034
- Light Sky Blue #87CEFA ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Baby Blue #A2CFFE ΔE 0.051
- Light Grey Blue #9DBCD4 ΔE 0.053
Use #91BEF9 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.