#91AAEF
Closest named color: Carolina Blue (#8AB8FE). oklch(74.6% 0.104 268.5), rgb(145, 170, 239).
Aa
Black text reads best on this color (9.20:1).
About this color
#91AAEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.104 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.038 away. Black text reads best on it, at 9.20:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.20:1 |
| White text | 2.28:1 |
Values
| HEX | #91AAEF |
| RGB | rgb(145, 170, 239) |
| HSL | hsl(224, 75%, 75%) |
| OKLCH | oklch(74.6% 0.104 268.5) |
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 #91AAEF | 2.28:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #91AAEF | 9.20:1 | AAA | Lc 59.0 | Large or bold text, headings |
| #91AAEF text on white | 2.28:1 | Fails | Lc 45.0 | Non-text elements, placeholder text |
| #91AAEF text on black | 9.20:1 | AAA | Lc -57.2 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFC0EC
oklch(81% 0.065 268.4)
-
Step 400
400 (this color)
#91AAEF
oklch(74.6% 0.104 268.5)
-
Step 500
500
#6884DA
oklch(63.1% 0.134 268.8)
-
Step 600
600
#506CC7
oklch(55.5% 0.145 268.5)
-
Step 700
700
#415AAC
oklch(49.1% 0.134 268.4)
-
Step 800
800
#364A8B
oklch(42.7% 0.11 268.6)
-
Step 900
900
#2E3E6F
oklch(37.6% 0.086 268.4)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#91AAEF 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) | #92B0F2 | 0.016 |
| Deuteranopia (no green cones) | #8AA8ED | 0.011 |
| Tritanopia (no blue cones) | #73B8C2 | 0.094 |
| Achromatopsia (no color) | #ACACAC | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91AAEF
#91AAEF
oklch(74.6% 0.104 268.5)
- #C7A95B
#C7A95B
oklch(74.5% 0.104 88.8)
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 #91AAEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.038
- Periwinkle Blue #8F99FB ΔE 0.052
- Pastel Blue #A2BFFE ΔE 0.061
- Light Grey Blue #9DBCD4 ΔE 0.074
- Perrywinkle #8F8CE7 ΔE 0.077
- Lightblue #7BC8F6 ΔE 0.079
- Light Cornflower Blue #98C1D9 ΔE 0.079
- Pale Purple #B790D4 ΔE 0.081
Use #91AAEF 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.