#91B9CA
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.3% 0.049 225.8), rgb(145, 185, 202).
Aa
Black text reads best on this color (9.99:1).
About this color
#91B9CA is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.049 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.022 away. Black text reads best on it, at 9.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.99:1 |
| White text | 2.10:1 |
Values
| HEX | #91B9CA |
| RGB | rgb(145, 185, 202) |
| HSL | hsl(198, 35%, 68%) |
| OKLCH | oklch(76.3% 0.049 225.8) |
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 #91B9CA | 2.10:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #91B9CA | 9.99:1 | AAA | Lc 62.8 | Content text, not long reading |
| #91B9CA text on white | 2.10:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #91B9CA text on black | 9.99:1 | AAA | Lc -61.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DDE7
oklch(88.4% 0.027 226.8)
-
Step 300
300 (this color)
#91B9CA
oklch(76.3% 0.049 225.8)
-
Step 400
400
#68ABC6
oklch(70.7% 0.079 225.8)
-
Step 500
500
#3796B8
oklch(63.2% 0.101 225.7)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#0E485C
oklch(37.6% 0.066 226.5)
-
Step 950
950
#0B2B36
oklch(27.1% 0.042 224.5)
#91B9CA 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) | #B0B7CB | 0.039 |
| Deuteranopia (no green cones) | #A7B0CA | 0.035 |
| Tritanopia (no blue cones) | #7FBEBE | 0.033 |
| Achromatopsia (no color) | #B3B3B3 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B9CA
#91B9CA
oklch(76.3% 0.049 225.8)
- #CEA998
#CEA998
oklch(76.3% 0.05 46)
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 #91B9CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.022
- Light Cornflower Blue #98C1D9 ΔE 0.029
- French Gray #ADB5BD ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.057
- Dark Gray #A9A9A9 ΔE 0.057
- Sky Blue #87CEEB ΔE 0.062
Use #91B9CA 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.