#91BFD4
Closest named color: Light Cornflower Blue (#98C1D9). oklch(77.9% 0.057 227.7), rgb(145, 191, 212).
Aa
Black text reads best on this color (10.60:1).
About this color
#91BFD4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 78%, its chroma 0.057 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.012 away. Black text reads best on it, at 10.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.60:1 |
| White text | 1.97:1 |
Values
| HEX | #91BFD4 |
| RGB | rgb(145, 191, 212) |
| HSL | hsl(199, 44%, 70%) |
| OKLCH | oklch(77.9% 0.057 227.7) |
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 #91BFD4 | 1.97:1 | Fails | Lc -42.6 | Non-text elements, placeholder text |
| Black text on #91BFD4 | 10.60:1 | AAA | Lc 65.7 | Content text, not long reading |
| #91BFD4 text on white | 1.97:1 | Fails | Lc 38.2 | Non-text elements, placeholder text |
| #91BFD4 text on black | 10.60:1 | AAA | Lc -64.2 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C4DEEA
oklch(88.5% 0.032 227.3)
-
Step 300
300 (this color)
#91BFD4
oklch(77.9% 0.057 227.7)
-
Step 400
400
#5DACCD
oklch(70.7% 0.091 227.4)
-
Step 500
500
#1B96C0
oklch(63% 0.117 227.8)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#052B39
oklch(27.1% 0.048 227.7)
#91BFD4 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) | #B4BDD5 | 0.043 |
| Deuteranopia (no green cones) | #AAB5D4 | 0.039 |
| Tritanopia (no blue cones) | #7BC5C6 | 0.039 |
| Achromatopsia (no color) | #B8B8B8 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BFD4
#91BFD4
oklch(77.9% 0.057 227.7)
- #D7AD98
#D7AD98
oklch(78% 0.057 48)
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 #91BFD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.012
- Light Grey Blue #9DBCD4 ΔE 0.016
- Cloudy Blue #ACC2D9 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.044
- French Gray #ADB5BD ΔE 0.045
- Lightblue #7BC8F6 ΔE 0.049
- Sky #82CAFC ΔE 0.056
Use #91BFD4 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.