#91C1EC
Closest named color: Lightblue (#7BC8F6). oklch(79.3% 0.08 246.1), rgb(145, 193, 236).
Aa
Black text reads best on this color (11.04:1).
About this color
#91C1EC is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.080 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.027 away. Black text reads best on it, at 11.04:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 11.04:1 |
| White text | 1.90:1 |
Values
| HEX | #91C1EC |
| RGB | rgb(145, 193, 236) |
| HSL | hsl(208, 71%, 75%) |
| OKLCH | oklch(79.3% 0.08 246.1) |
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 #91C1EC | 1.90:1 | Fails | Lc -40.4 | Non-text elements, placeholder text |
| Black text on #91C1EC | 11.04:1 | AAA | Lc 67.7 | Content text, not long reading |
| #91C1EC text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #91C1EC text on black | 11.04:1 | AAA | Lc -66.3 | 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
#DEECF9
oklch(93.6% 0.023 246)
-
Step 200
200
#C2DDF5
oklch(88.5% 0.044 245.1)
-
Step 300
300 (this color)
#91C1EC
oklch(79.3% 0.08 246.1)
-
Step 400
400
#56A7EB
oklch(70.6% 0.128 246.3)
-
Step 500
500
#008FE5
oklch(63.1% 0.163 246.3)
-
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
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#004571
oklch(37.8% 0.096 245.5)
-
Step 950
950
#022845
oklch(26.9% 0.068 246.8)
#91C1EC 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) | #B0C1EE | 0.038 |
| Deuteranopia (no green cones) | #A4B8EB | 0.031 |
| Tritanopia (no blue cones) | #71CBCF | 0.066 |
| Achromatopsia (no color) | #BCBCBC | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C1EC
#91C1EC
oklch(79.3% 0.08 246.1)
- #DFB285
#DFB285
oklch(79.3% 0.079 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 #91C1EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Sky #82CAFC ΔE 0.030
- Light Grey Blue #9DBCD4 ΔE 0.034
- Light Sky Blue #87CEFA ΔE 0.035
- Pastel Blue #A2BFFE ΔE 0.036
- Sky Blue #87CEEB ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.041
Use #91C1EC 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.