#91B2EF
Closest named color: Carolina Blue (#8AB8FE). oklch(76.2% 0.095 262.4), rgb(145, 178, 239).
Aa
Black text reads best on this color (9.81:1).
About this color
#91B2EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.095 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.024 away. Black text reads best on it, at 9.81:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.81:1 |
| White text | 2.13:1 |
Values
| HEX | #91B2EF |
| RGB | rgb(145, 178, 239) |
| HSL | hsl(219, 75%, 75%) |
| OKLCH | oklch(76.2% 0.095 262.4) |
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 #91B2EF | 2.13:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #91B2EF | 9.81:1 | AAA | Lc 62.0 | Content text, not long reading |
| #91B2EF text on white | 2.13:1 | Fails | Lc 41.9 | Non-text elements, placeholder text |
| #91B2EF text on black | 9.81:1 | AAA | Lc -60.3 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C7DAFD
oklch(88.5% 0.053 262.7)
-
Step 300
300 (this color)
#91B2EF
oklch(76.2% 0.095 262.4)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500
#4482FD
oklch(63.1% 0.195 262.2)
-
Step 600
600
#2667ED
oklch(55.6% 0.213 262.4)
-
Step 700
700
#1A55CE
oklch(49.2% 0.197 262.3)
-
Step 800
800
#1746A6
oklch(42.6% 0.163 262.3)
-
Step 900
900
#193C84
oklch(37.6% 0.128 262.5)
-
Step 950
950
#0F244D
oklch(27% 0.081 262.1)
#91B2EF 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) | #9DB6F2 | 0.019 |
| Deuteranopia (no green cones) | #93ADEE | 0.013 |
| Tritanopia (no blue cones) | #72BFC7 | 0.085 |
| Achromatopsia (no color) | #B1B1B1 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B2EF
#91B2EF
oklch(76.2% 0.095 262.4)
- #D0AC69
#D0AC69
oklch(76.2% 0.095 82)
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 #91B2EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.024
- Pastel Blue #A2BFFE ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.056
- Lightblue #7BC8F6 ΔE 0.059
- Light Cornflower Blue #98C1D9 ΔE 0.060
- Sky #82CAFC ΔE 0.062
- Cloudy Blue #ACC2D9 ΔE 0.071
- Light Sky Blue #87CEFA ΔE 0.072
Use #91B2EF 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.