#91B9EA
Closest named color: Carolina Blue (#8AB8FE). oklch(77.5% 0.083 253.8), rgb(145, 185, 234).
Aa
Black text reads best on this color (10.33:1).
About this color
#91B9EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.083 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.031 away. Black text reads best on it, at 10.33:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.33:1 |
| White text | 2.03:1 |
Values
| HEX | #91B9EA |
| RGB | rgb(145, 185, 234) |
| HSL | hsl(213, 68%, 74%) |
| OKLCH | oklch(77.5% 0.083 253.8) |
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 #91B9EA | 2.03:1 | Fails | Lc -44.0 | Non-text elements, placeholder text |
| Black text on #91B9EA | 10.33:1 | AAA | Lc 64.5 | Content text, not long reading |
| #91B9EA text on white | 2.03:1 | Fails | Lc 39.5 | Non-text elements, placeholder text |
| #91B9EA text on black | 10.33:1 | AAA | Lc -62.9 | 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
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF8
oklch(88.4% 0.047 255.4)
-
Step 300
300 (this color)
#91B9EA
oklch(77.5% 0.083 253.8)
-
Step 400
400
#63A4F1
oklch(70.8% 0.132 253.7)
-
Step 500
500
#318AEC
oklch(63.1% 0.169 253.9)
-
Step 600
600
#0072D6
oklch(55.6% 0.176 253.8)
-
Step 700
700
#0060B5
oklch(49.2% 0.155 253.6)
-
Step 800
800
#004E96
oklch(42.7% 0.135 253.8)
-
Step 900
900
#0A417A
oklch(37.6% 0.111 254)
-
Step 950
950
#092747
oklch(27% 0.069 253.1)
#91B9EA 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) | #A7BBEC | 0.028 |
| Deuteranopia (no green cones) | #9CB2E9 | 0.021 |
| Tritanopia (no blue cones) | #73C4C9 | 0.073 |
| Achromatopsia (no color) | #B6B6B6 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B9EA
#91B9EA
oklch(77.5% 0.083 253.8)
- #D6AE7A
#D6AE7A
oklch(77.5% 0.083 73.4)
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 #91B9EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.038
- Pastel Blue #A2BFFE ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.039
- Lightblue #7BC8F6 ΔE 0.042
- Sky #82CAFC ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.052
- Light Sky Blue #87CEFA ΔE 0.054
Use #91B9EA 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.