#91C4E8
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79.7% 0.074 239.6), rgb(145, 196, 232).
Aa
Black text reads best on this color (11.26:1).
About this color
#91C4E8 is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.074 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.021 away. Black text reads best on it, at 11.26:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.26:1 |
| White text | 1.86:1 |
Values
| HEX | #91C4E8 |
| RGB | rgb(145, 196, 232) |
| HSL | hsl(205, 65%, 74%) |
| OKLCH | oklch(79.7% 0.074 239.6) |
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 #91C4E8 | 1.86:1 | Fails | Lc -39.3 | Non-text elements, placeholder text |
| Black text on #91C4E8 | 11.26:1 | AAA | Lc 68.7 | Content text, not long reading |
| #91C4E8 text on white | 1.86:1 | Fails | Lc 35.2 | Non-text elements, placeholder text |
| #91C4E8 text on black | 11.26:1 | AAA | Lc -67.4 | 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
#F0F7FC
oklch(97.2% 0.01 238.5)
-
Step 100
100
#DEECF7
oklch(93.6% 0.021 241.4)
-
Step 200
200
#C1DEF2
oklch(88.6% 0.041 238.1)
-
Step 300
300 (this color)
#91C4E8
oklch(79.7% 0.074 239.6)
-
Step 400
400
#52AAE2
oklch(70.7% 0.118 239.4)
-
Step 500
500
#0093D6
oklch(63.1% 0.143 239.3)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#91C4E8 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) | #B4C3EA | 0.042 |
| Deuteranopia (no green cones) | #A9BAE7 | 0.037 |
| Tritanopia (no blue cones) | #72CDD0 | 0.058 |
| Achromatopsia (no color) | #BEBEBE | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C4E8
#91C4E8
oklch(79.7% 0.074 239.6)
- #E1B28D
#E1B28D
oklch(79.7% 0.074 59.7)
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 #91C4E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.021
- Sky Blue #87CEEB ΔE 0.027
- Lightblue #7BC8F6 ΔE 0.027
- Sky #82CAFC ΔE 0.030
- Light Grey Blue #9DBCD4 ΔE 0.031
- Light Sky Blue #87CEFA ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.038
Use #91C4E8 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.