#91B2E4
Closest named color: Carolina Blue (#8AB8FE). oklch(75.7% 0.081 258.5), rgb(145, 178, 228).
Aa
Black text reads best on this color (9.69:1).
About this color
#91B2E4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.081 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.037 away. Black text reads best on it, at 9.69:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.69:1 |
| White text | 2.16:1 |
Values
| HEX | #91B2E4 |
| RGB | rgb(145, 178, 228) |
| HSL | hsl(216, 61%, 73%) |
| OKLCH | oklch(75.7% 0.081 258.5) |
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 #91B2E4 | 2.16:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #91B2E4 | 9.69:1 | AAA | Lc 61.4 | Content text, not long reading |
| #91B2E4 text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #91B2E4 text on black | 9.69:1 | AAA | Lc -59.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ADC2E2
oklch(80.9% 0.051 258.7)
-
Step 400
400 (this color)
#91B2E4
oklch(75.7% 0.081 258.5)
-
Step 500
500
#628AC8
oklch(63% 0.104 258.9)
-
Step 600
600
#4973B4
oklch(55.5% 0.112 258.8)
-
Step 700
700
#3A619B
oklch(49.2% 0.104 258.1)
-
Step 800
800
#304F7E
oklch(42.7% 0.087 258.5)
-
Step 900
900
#2B4265
oklch(37.7% 0.067 258.5)
-
Step 950
950
#19273B
oklch(27% 0.042 257.3)
#91B2E4 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) | #A0B5E6 | 0.021 |
| Deuteranopia (no green cones) | #97ADE3 | 0.014 |
| Tritanopia (no blue cones) | #76BDC3 | 0.072 |
| Achromatopsia (no color) | #B0B0B0 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B2E4
#91B2E4
oklch(75.7% 0.081 258.5)
- #CCAB75
#CCAB75
oklch(75.8% 0.081 79.4)
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 #91B2E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Pastel Blue #A2BFFE ΔE 0.052
- Lightblue #7BC8F6 ΔE 0.059
- Cloudy Blue #ACC2D9 ΔE 0.063
- Sky #82CAFC ΔE 0.064
- French Gray #ADB5BD ΔE 0.068
Use #91B2E4 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.