#91C0EA
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79% 0.078 246), rgb(145, 192, 234).
Aa
Black text reads best on this color (10.93:1).
About this color
#91C0EA is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.078 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.026 away. Black text reads best on it, at 10.93:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.93:1 |
| White text | 1.92:1 |
Values
| HEX | #91C0EA |
| RGB | rgb(145, 192, 234) |
| HSL | hsl(208, 68%, 74%) |
| OKLCH | oklch(79% 0.078 246) |
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 #91C0EA | 1.92:1 | Fails | Lc -41.0 | Non-text elements, placeholder text |
| Black text on #91C0EA | 10.93:1 | AAA | Lc 67.2 | Content text, not long reading |
| #91C0EA text on white | 1.92:1 | Fails | Lc 36.7 | Non-text elements, placeholder text |
| #91C0EA text on black | 10.93:1 | AAA | Lc -65.8 | 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
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200
#C3DDF5
oklch(88.6% 0.043 246.2)
-
Step 300
300 (this color)
#91C0EA
oklch(79% 0.078 246)
-
Step 400
400
#58A7E9
oklch(70.6% 0.125 246)
-
Step 500
500
#0B8FE3
oklch(63% 0.16 246.1)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005387
oklch(42.8% 0.11 245.8)
-
Step 900
900
#004571
oklch(37.8% 0.096 245.5)
-
Step 950
950
#032844
oklch(26.9% 0.066 246.5)
#91C0EA 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) | #AFC0EC | 0.037 |
| Deuteranopia (no green cones) | #A4B7E9 | 0.031 |
| Tritanopia (no blue cones) | #72CACE | 0.065 |
| Achromatopsia (no color) | #BBBBBB | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C0EA
#91C0EA
oklch(79% 0.078 246)
- #DDB185
#DDB185
oklch(79% 0.078 66.3)
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 #91C0EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.026
- Lightblue #7BC8F6 ΔE 0.029
- Light Grey Blue #9DBCD4 ΔE 0.032
- Sky #82CAFC ΔE 0.032
- Pastel Blue #A2BFFE ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.038
- Sky Blue #87CEEB ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.041
Use #91C0EA 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.