#91BBEC
Closest named color: Carolina Blue (#8AB8FE). oklch(78% 0.084 252.7), rgb(145, 187, 236).
Aa
Black text reads best on this color (10.52:1).
About this color
#91BBEC is a medium-light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.084 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.030 away. Black text reads best on it, at 10.52:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.52:1 |
| White text | 1.99:1 |
Values
| HEX | #91BBEC |
| RGB | rgb(145, 187, 236) |
| HSL | hsl(212, 71%, 75%) |
| OKLCH | oklch(78% 0.084 252.7) |
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 #91BBEC | 1.99:1 | Fails | Lc -43.0 | Non-text elements, placeholder text |
| Black text on #91BBEC | 10.52:1 | AAA | Lc 65.3 | Content text, not long reading |
| #91BBEC text on white | 1.99:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #91BBEC text on black | 10.52:1 | AAA | Lc -63.8 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C4DCF8
oklch(88.6% 0.047 252.4)
-
Step 300
300 (this color)
#91BBEC
oklch(78% 0.084 252.7)
-
Step 400
400
#5FA4F1
oklch(70.6% 0.134 252.5)
-
Step 500
500
#298BED
oklch(63.2% 0.171 252.6)
-
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
#04427A
oklch(37.7% 0.111 252.4)
-
Step 950
950
#072748
oklch(27% 0.071 252.7)
#91BBEC 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) | #A9BDEE | 0.031 |
| Deuteranopia (no green cones) | #9EB3EB | 0.025 |
| Tritanopia (no blue cones) | #72C6CB | 0.073 |
| Achromatopsia (no color) | #B7B7B7 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BBEC
#91BBEC
oklch(78% 0.084 252.7)
- #D8AF7B
#D8AF7B
oklch(77.9% 0.083 72.7)
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 #91BBEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.030
- Pastel Blue #A2BFFE ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Lightblue #7BC8F6 ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.038
- Sky #82CAFC ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.050
Use #91BBEC 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.