#91BBE2
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.6% 0.072 246.9), rgb(145, 187, 226).
Aa
Black text reads best on this color (10.41:1).
About this color
#91BBE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.072 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.025 away. Black text reads best on it, at 10.41:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.41:1 |
| White text | 2.01:1 |
Values
| HEX | #91BBE2 |
| RGB | rgb(145, 187, 226) |
| HSL | hsl(209, 58%, 73%) |
| OKLCH | oklch(77.6% 0.072 246.9) |
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 #91BBE2 | 2.01:1 | Fails | Lc -43.6 | Non-text elements, placeholder text |
| Black text on #91BBE2 | 10.41:1 | AAA | Lc 64.8 | Content text, not long reading |
| #91BBE2 text on white | 2.01:1 | Fails | Lc 39.1 | Non-text elements, placeholder text |
| #91BBE2 text on black | 10.41:1 | AAA | Lc -63.2 | 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
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C5DCF3
oklch(88.5% 0.04 248.3)
-
Step 300
300 (this color)
#91BBE2
oklch(77.6% 0.072 246.9)
-
Step 400
400
#61A7E4
oklch(70.7% 0.114 246.6)
-
Step 500
500
#2B8FDD
oklch(63.1% 0.147 247.1)
-
Step 600
600
#0078C3
oklch(55.7% 0.146 246.8)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005288
oklch(42.7% 0.112 246.9)
-
Step 900
900
#044471
oklch(37.6% 0.096 247.1)
-
Step 950
950
#082842
oklch(26.9% 0.061 247.3)
#91BBE2 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) | #ACBBE4 | 0.034 |
| Deuteranopia (no green cones) | #A1B3E1 | 0.027 |
| Tritanopia (no blue cones) | #76C4C8 | 0.060 |
| Achromatopsia (no color) | #B6B6B6 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BBE2
#91BBE2
oklch(77.6% 0.072 246.9)
- #D6AE85
#D6AE85
oklch(77.7% 0.072 67.1)
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 #91BBE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.025
- Light Cornflower Blue #98C1D9 ΔE 0.026
- Lightblue #7BC8F6 ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.043
- Carolina Blue #8AB8FE ΔE 0.044
- Sky #82CAFC ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.048
Use #91BBE2 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.