#91BCCB
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.9% 0.05 221.3), rgb(145, 188, 203).
Aa
Black text reads best on this color (10.25:1).
About this color
#91BCCB is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.050 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.021 away. Black text reads best on it, at 10.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.25:1 |
| White text | 2.04:1 |
Values
| HEX | #91BCCB |
| RGB | rgb(145, 188, 203) |
| HSL | hsl(196, 36%, 68%) |
| OKLCH | oklch(76.9% 0.05 221.3) |
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 #91BCCB | 2.04:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #91BCCB | 10.25:1 | AAA | Lc 64.1 | Content text, not long reading |
| #91BCCB text on white | 2.04:1 | Fails | Lc 39.8 | Non-text elements, placeholder text |
| #91BCCB text on black | 10.25:1 | AAA | Lc -62.5 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300 (this color)
#91BCCB
oklch(76.9% 0.05 221.3)
-
Step 400
400
#63ACC4
oklch(70.6% 0.081 221.3)
-
Step 500
500
#2C97B5
oklch(63% 0.103 221.1)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#05495B
oklch(37.6% 0.067 222.1)
-
Step 950
950
#082B35
oklch(27% 0.043 220.9)
#91BCCB 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) | #B3B9CC | 0.043 |
| Deuteranopia (no green cones) | #AAB2CB | 0.039 |
| Tritanopia (no blue cones) | #7EC1C1 | 0.031 |
| Achromatopsia (no color) | #B5B5B5 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BCCB
#91BCCB
oklch(76.9% 0.05 221.3)
- #D1AA9C
#D1AA9C
oklch(76.9% 0.05 40.7)
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 #91BCCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.021
- Light Cornflower Blue #98C1D9 ΔE 0.024
- French Gray #ADB5BD ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.052
- Sky Blue #87CEEB ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.057
- Dark Gray #A9A9A9 ΔE 0.061
Use #91BCCB 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.