#91B7EB
Closest named color: Carolina Blue (#8AB8FE). oklch(77.1% 0.086 256.4), rgb(145, 183, 235).
Aa
Black text reads best on this color (10.17:1).
About this color
#91B7EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.086 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.028 away. Black text reads best on it, at 10.17:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.17:1 |
| White text | 2.06:1 |
Values
| HEX | #91B7EB |
| RGB | rgb(145, 183, 235) |
| HSL | hsl(215, 69%, 75%) |
| OKLCH | oklch(77.1% 0.086 256.4) |
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 #91B7EB | 2.06:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #91B7EB | 10.17:1 | AAA | Lc 63.7 | Content text, not long reading |
| #91B7EB text on white | 2.06:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #91B7EB text on black | 10.17:1 | AAA | Lc -62.1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBF9
oklch(88.5% 0.048 256.2)
-
Step 300
300 (this color)
#91B7EB
oklch(77.1% 0.086 256.4)
-
Step 400
400
#65A2F4
oklch(70.6% 0.137 256.2)
-
Step 500
500
#3788F0
oklch(63.1% 0.175 256.3)
-
Step 600
600
#056FDF
oklch(55.6% 0.19 256.4)
-
Step 700
700
#005DBE
oklch(49.2% 0.17 256.3)
-
Step 800
800
#024C9D
oklch(42.8% 0.147 256.4)
-
Step 900
900
#10407C
oklch(37.6% 0.114 256.4)
-
Step 950
950
#0B2649
oklch(27% 0.073 256.3)
#91B7EB 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) | #A4B9ED | 0.025 |
| Deuteranopia (no green cones) | #9AB1EA | 0.018 |
| Tritanopia (no blue cones) | #73C2C9 | 0.074 |
| Achromatopsia (no color) | #B4B4B4 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B7EB
#91B7EB
oklch(77.1% 0.086 256.4)
- #D4AE76
#D4AE76
oklch(77.2% 0.085 76.6)
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 #91B7EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.028
- Pastel Blue #A2BFFE ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Lightblue #7BC8F6 ΔE 0.046
- Sky #82CAFC ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.057
- Light Sky Blue #87CEFA ΔE 0.059
Use #91B7EB 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.