#91B1EA
Closest named color: Carolina Blue (#8AB8FE). oklch(75.8% 0.09 261.7), rgb(145, 177, 234).
Aa
Black text reads best on this color (9.68:1).
About this color
#91B1EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.090 and its hue 262°. 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 9.68:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.68:1 |
| White text | 2.16:1 |
Values
| HEX | #91B1EA |
| RGB | rgb(145, 177, 234) |
| HSL | hsl(218, 68%, 74%) |
| OKLCH | oklch(75.8% 0.09 261.7) |
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 #91B1EA | 2.16:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #91B1EA | 9.68:1 | AAA | Lc 61.4 | Content text, not long reading |
| #91B1EA text on white | 2.16:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #91B1EA text on black | 9.68:1 | AAA | Lc -59.6 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#ADC1E6
oklch(80.8% 0.057 262.7)
-
Step 400
400 (this color)
#91B1EA
oklch(75.8% 0.09 261.7)
-
Step 500
500
#6289CF
oklch(63.2% 0.115 261.5)
-
Step 600
600
#4971BC
oklch(55.5% 0.125 261.9)
-
Step 700
700
#3A5FA2
oklch(49.2% 0.116 261.3)
-
Step 800
800
#314E83
oklch(42.8% 0.095 261.6)
-
Step 900
900
#2B4169
oklch(37.7% 0.074 261.6)
-
Step 950
950
#19263E
oklch(27% 0.049 262)
#91B1EA 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) | #9DB5ED | 0.020 |
| Deuteranopia (no green cones) | #94ACE9 | 0.013 |
| Tritanopia (no blue cones) | #74BDC5 | 0.080 |
| Achromatopsia (no color) | #B0B0B0 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B1EA
#91B1EA
oklch(75.8% 0.09 261.7)
- #CDAB6D
#CDAB6D
oklch(75.8% 0.089 81.7)
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 #91B1EA, 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 0.049
- Light Grey Blue #9DBCD4 ΔE 0.053
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Lightblue #7BC8F6 ΔE 0.061
- Sky #82CAFC ΔE 0.065
- Cloudy Blue #ACC2D9 ΔE 0.069
- Light Steel Blue #B0C4DE ΔE 0.073
Use #91B1EA 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.