#91C1DF
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.7% 0.066 236.1), rgb(145, 193, 223).
Aa
Black text reads best on this color (10.89:1).
About this color
#91C1DF is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.066 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.011 away. Black text reads best on it, at 10.89:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.89:1 |
| White text | 1.92:1 |
Values
| HEX | #91C1DF |
| RGB | rgb(145, 193, 223) |
| HSL | hsl(203, 55%, 72%) |
| OKLCH | oklch(78.7% 0.066 236.1) |
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 #91C1DF | 1.92:1 | Fails | Lc -41.2 | Non-text elements, placeholder text |
| Black text on #91C1DF | 10.89:1 | AAA | Lc 67.1 | Content text, not long reading |
| #91C1DF text on white | 1.92:1 | Fails | Lc 36.8 | Non-text elements, placeholder text |
| #91C1DF text on black | 10.89:1 | AAA | Lc -65.6 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DEECF5
oklch(93.5% 0.019 235.7)
-
Step 200
200
#C3DEEF
oklch(88.6% 0.037 235.5)
-
Step 300
300 (this color)
#91C1DF
oklch(78.7% 0.066 236.1)
-
Step 400
400
#58ABDA
oklch(70.8% 0.106 235.8)
-
Step 500
500
#0394D0
oklch(63.1% 0.136 236.3)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#022A3E
oklch(27% 0.056 236.2)
#91C1DF 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) | #B3C0E1 | 0.042 |
| Deuteranopia (no green cones) | #A9B7DF | 0.037 |
| Tritanopia (no blue cones) | #76C9CB | 0.051 |
| Achromatopsia (no color) | #BBBBBB | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C1DF
#91C1DF
oklch(78.7% 0.066 236.1)
- #DCAF91
#DCAF91
oklch(78.7% 0.067 55.2)
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 #91C1DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.011
- Light Grey Blue #9DBCD4 ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.033
- Sky Blue #87CEEB ΔE 0.034
- Lightblue #7BC8F6 ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.039
- Sky #82CAFC ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.044
Use #91C1DF 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.