#91BDDB
Closest named color: Light Cornflower Blue (#98C1D9). oklch(77.7% 0.064 238.4), rgb(145, 189, 219).
Aa
Black text reads best on this color (10.50:1).
About this color
#91BDDB is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.064 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.015 away. Black text reads best on it, at 10.50:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.50:1 |
| White text | 1.99:1 |
Values
| HEX | #91BDDB |
| RGB | rgb(145, 189, 219) |
| HSL | hsl(204, 51%, 71%) |
| OKLCH | oklch(77.7% 0.064 238.4) |
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 #91BDDB | 1.99:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #91BDDB | 10.50:1 | AAA | Lc 65.3 | Content text, not long reading |
| #91BDDB text on white | 1.99:1 | Fails | Lc 38.7 | Non-text elements, placeholder text |
| #91BDDB text on black | 10.50:1 | AAA | Lc -63.7 | 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
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEE
oklch(88.5% 0.035 238.7)
-
Step 300
300 (this color)
#91BDDB
oklch(77.7% 0.064 238.4)
-
Step 400
400
#5FA9D9
oklch(70.6% 0.102 238.9)
-
Step 500
500
#2393CE
oklch(63.1% 0.129 238.1)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#062A3D
oklch(27.1% 0.053 236.9)
#91BDDB 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) | #B0BCDD | 0.039 |
| Deuteranopia (no green cones) | #A6B4DB | 0.033 |
| Tritanopia (no blue cones) | #79C5C7 | 0.050 |
| Achromatopsia (no color) | #B7B7B7 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BDDB
#91BDDB
oklch(77.7% 0.064 238.4)
- #D6AD8F
#D6AD8F
oklch(77.7% 0.063 57.8)
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 #91BDDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.015
- Light Grey Blue #9DBCD4 ΔE 0.016
- Cloudy Blue #ACC2D9 ΔE 0.037
- Lightblue #7BC8F6 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.044
- Sky Blue #87CEEB ΔE 0.045
- French Gray #ADB5BD ΔE 0.050
- Sky #82CAFC ΔE 0.050
Use #91BDDB 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.