#91BACC
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.5% 0.051 226.6), rgb(145, 186, 204).
Aa
Black text reads best on this color (10.09:1).
About this color
#91BACC is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.051 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.020 away. Black text reads best on it, at 10.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.09:1 |
| White text | 2.07:1 |
Values
| HEX | #91BACC |
| RGB | rgb(145, 186, 204) |
| HSL | hsl(198, 37%, 68%) |
| OKLCH | oklch(76.5% 0.051 226.6) |
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 #91BACC | 2.07:1 | Fails | Lc -45.2 | Large or bold text, headings |
| Black text on #91BACC | 10.09:1 | AAA | Lc 63.3 | Content text, not long reading |
| #91BACC text on white | 2.07:1 | Fails | Lc 40.6 | Non-text elements, placeholder text |
| #91BACC text on black | 10.09:1 | AAA | Lc -61.7 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C7DDE8
oklch(88.5% 0.028 229.2)
-
Step 300
300 (this color)
#91BACC
oklch(76.5% 0.051 226.6)
-
Step 400
400
#66ABC8
oklch(70.7% 0.082 227)
-
Step 500
500
#3396BA
oklch(63.2% 0.104 226.5)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#0A485D
oklch(37.6% 0.068 227)
-
Step 950
950
#0A2B37
oklch(27.2% 0.043 226.1)
#91BACC 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) | #B0B8CD | 0.039 |
| Deuteranopia (no green cones) | #A7B1CC | 0.035 |
| Tritanopia (no blue cones) | #7EBFC0 | 0.034 |
| Achromatopsia (no color) | #B4B4B4 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BACC
#91BACC
oklch(76.5% 0.051 226.6)
- #CFAA98
#CFAA98
oklch(76.6% 0.05 47.4)
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 #91BACC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.020
- Light Cornflower Blue #98C1D9 ΔE 0.026
- French Gray #ADB5BD ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.045
- Cool Steel #97A7B3 ΔE 0.053
- Light Steel Blue #B0C4DE ΔE 0.054
- Sky Blue #87CEEB ΔE 0.058
- Dark Gray #A9A9A9 ΔE 0.059
Use #91BACC 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.