#91B1ED
Closest named color: Carolina Blue (#8AB8FE). oklch(75.9% 0.094 262.6), rgb(145, 177, 237).
Aa
Black text reads best on this color (9.71:1).
About this color
#91B1ED is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.094 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.027 away. Black text reads best on it, at 9.71:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.71:1 |
| White text | 2.16:1 |
Values
| HEX | #91B1ED |
| RGB | rgb(145, 177, 237) |
| HSL | hsl(219, 72%, 75%) |
| OKLCH | oklch(75.9% 0.094 262.6) |
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 #91B1ED | 2.16:1 | Fails | Lc -47.1 | Large or bold text, headings |
| Black text on #91B1ED | 9.71:1 | AAA | Lc 61.5 | Content text, not long reading |
| #91B1ED text on white | 2.16:1 | Fails | Lc 42.4 | Non-text elements, placeholder text |
| #91B1ED text on black | 9.71:1 | AAA | Lc -59.8 | 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 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
#C7DAFC
oklch(88.5% 0.051 262.1)
-
Step 300
300 (this color)
#91B1ED
oklch(75.9% 0.094 262.6)
-
Step 400
400
#6D9EFD
oklch(70.7% 0.149 262.5)
-
Step 500
500
#4782FB
oklch(63.1% 0.191 262.7)
-
Step 600
600
#2A68EB
oklch(55.7% 0.208 262.6)
-
Step 700
700
#1D55CC
oklch(49.1% 0.194 262.6)
-
Step 800
800
#1A46A5
oklch(42.6% 0.161 262.8)
-
Step 900
900
#1B3C83
oklch(37.6% 0.126 263)
-
Step 950
950
#10244D
oklch(27% 0.08 262.7)
#91B1ED 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) | #9CB5F0 | 0.018 |
| Deuteranopia (no green cones) | #92ACEC | 0.013 |
| Tritanopia (no blue cones) | #73BEC6 | 0.084 |
| Achromatopsia (no color) | #B0B0B0 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B1ED
#91B1ED
oklch(75.9% 0.094 262.6)
- #CEAB69
#CEAB69
oklch(75.8% 0.094 82.4)
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 #91B1ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.027
- Pastel Blue #A2BFFE ΔE 0.047
- Light Grey Blue #9DBCD4 ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.060
- Lightblue #7BC8F6 ΔE 0.061
- Sky #82CAFC ΔE 0.064
- Cloudy Blue #ACC2D9 ΔE 0.072
- Periwinkle Blue #8F99FB ΔE 0.072
Use #91B1ED 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.