#91BFCC
Closest named color: Light Cornflower Blue (#98C1D9). oklch(77.6% 0.052 217), rgb(145, 191, 204).
Aa
Black text reads best on this color (10.52:1).
About this color
#91BFCC is a medium-light, muted teal or cyan. In OKLCH its lightness is 78%, its chroma 0.052 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.021 away. Black text reads best on it, at 10.52:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.52:1 |
| White text | 1.99:1 |
Values
| HEX | #91BFCC |
| RGB | rgb(145, 191, 204) |
| HSL | hsl(193, 37%, 68%) |
| OKLCH | oklch(77.6% 0.052 217) |
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 #91BFCC | 1.99:1 | Fails | Lc -43.0 | Non-text elements, placeholder text |
| Black text on #91BFCC | 10.52:1 | AAA | Lc 65.3 | Content text, not long reading |
| #91BFCC text on white | 1.99:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #91BFCC text on black | 10.52:1 | AAA | Lc -63.8 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#DFEDF0
oklch(93.7% 0.015 212)
-
Step 200
200
#C5DEE6
oklch(88.5% 0.029 219)
-
Step 300
300 (this color)
#91BFCC
oklch(77.6% 0.052 217)
-
Step 400
400
#5FAEC2
oklch(70.8% 0.083 216.2)
-
Step 500
500
#1F99B3
oklch(63.2% 0.106 216.6)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#052C34
oklch(27.1% 0.044 214.8)
#91BFCC 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) | #B6BCCD | 0.046 |
| Deuteranopia (no green cones) | #ACB4CC | 0.043 |
| Tritanopia (no blue cones) | #7EC4C3 | 0.030 |
| Achromatopsia (no color) | #B7B7B7 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BFCC
#91BFCC
oklch(77.6% 0.052 217)
- #D5AB9F
#D5AB9F
oklch(77.6% 0.052 36.5)
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 #91BFCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.021
- Light Grey Blue #9DBCD4 ΔE 0.022
- Cloudy Blue #ACC2D9 ΔE 0.040
- French Gray #ADB5BD ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.049
- Sky Blue #87CEEB ΔE 0.050
- Lightblue #7BC8F6 ΔE 0.059
- Pale Teal #82CBB2 ΔE 0.061
Use #91BFCC 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.