#91BEE8
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.5% 0.077 247.1), rgb(145, 190, 232).
Aa
Black text reads best on this color (10.73:1).
About this color
#91BEE8 is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.077 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.027 away. Black text reads best on it, at 10.73:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.73:1 |
| White text | 1.95:1 |
Values
| HEX | #91BEE8 |
| RGB | rgb(145, 190, 232) |
| HSL | hsl(209, 65%, 74%) |
| OKLCH | oklch(78.5% 0.077 247.1) |
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 #91BEE8 | 1.95:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #91BEE8 | 10.73:1 | AAA | Lc 66.3 | Content text, not long reading |
| #91BEE8 text on white | 1.95:1 | Fails | Lc 37.6 | Non-text elements, placeholder text |
| #91BEE8 text on black | 10.73:1 | AAA | Lc -64.8 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C3DCF4
oklch(88.4% 0.043 247.2)
-
Step 300
300 (this color)
#91BEE8
oklch(78.5% 0.077 247.1)
-
Step 400
400
#5BA7E9
oklch(70.7% 0.123 246.8)
-
Step 500
500
#1B8FE2
oklch(63.1% 0.157 246.8)
-
Step 600
600
#0078C3
oklch(55.7% 0.146 246.8)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005288
oklch(42.7% 0.112 246.9)
-
Step 900
900
#004473
oklch(37.7% 0.1 247.4)
-
Step 950
950
#052844
oklch(26.9% 0.065 247.5)
#91BEE8 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) | #ADBEEA | 0.034 |
| Deuteranopia (no green cones) | #A2B5E7 | 0.029 |
| Tritanopia (no blue cones) | #73C8CC | 0.065 |
| Achromatopsia (no color) | #B9B9B9 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BEE8
#91BEE8
oklch(78.5% 0.077 247.1)
- #DBB084
#DBB084
oklch(78.5% 0.077 67)
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 #91BEE8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.027
- Light Grey Blue #9DBCD4 ΔE 0.030
- Lightblue #7BC8F6 ΔE 0.033
- Sky #82CAFC ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.039
- Carolina Blue #8AB8FE ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.042
- Sky Blue #87CEEB ΔE 0.042
Use #91BEE8 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.