#91AAEB
Closest named color: Carolina Blue (#8AB8FE). oklch(74.4% 0.099 267.8), rgb(145, 170, 235).
Aa
Black text reads best on this color (9.15:1).
About this color
#91AAEB is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.099 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.040 away. Black text reads best on it, at 9.15:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.15:1 |
| White text | 2.29:1 |
Values
| HEX | #91AAEB |
| RGB | rgb(145, 170, 235) |
| HSL | hsl(223, 69%, 75%) |
| OKLCH | oklch(74.4% 0.099 267.8) |
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 #91AAEB | 2.29:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #91AAEB | 9.15:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #91AAEB text on white | 2.29:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #91AAEB text on black | 9.15:1 | AAA | Lc -56.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#AFC0E9
oklch(80.9% 0.061 267.4)
-
Step 400
400 (this color)
#91AAEB
oklch(74.4% 0.099 267.8)
-
Step 500
500
#6885D6
oklch(63.1% 0.127 267.8)
-
Step 600
600
#516DC3
oklch(55.6% 0.137 268.2)
-
Step 700
700
#415BA8
oklch(49.1% 0.127 267.6)
-
Step 800
800
#364B88
oklch(42.8% 0.104 267.6)
-
Step 900
900
#2F3F6D
oklch(37.8% 0.082 267.9)
-
Step 950
950
#1B2540
oklch(27% 0.052 267.5)
#91AAEB 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) | #94AFEE | 0.014 |
| Deuteranopia (no green cones) | #8CA8EA | 0.009 |
| Tritanopia (no blue cones) | #74B7C1 | 0.088 |
| Achromatopsia (no color) | #ABABAB | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91AAEB
#91AAEB
oklch(74.4% 0.099 267.8)
- #C6A960
#C6A960
oklch(74.5% 0.099 88.3)
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 #91AAEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.040
- Periwinkle Blue #8F99FB ΔE 0.056
- Pastel Blue #A2BFFE ΔE 0.063
- Light Grey Blue #9DBCD4 ΔE 0.070
- Light Cornflower Blue #98C1D9 ΔE 0.076
- Lightblue #7BC8F6 ΔE 0.078
- Perrywinkle #8F8CE7 ΔE 0.078
- Pale Purple #B790D4 ΔE 0.080
Use #91AAEB 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.