#91AED1
Closest named color: Cool Steel (#97A7B3). oklch(74.1% 0.06 253.4), rgb(145, 174, 209).
Aa
Black text reads best on this color (9.17:1).
About this color
#91AED1 is a medium-light, muted blue. In OKLCH its lightness is 74%, its chroma 0.060 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.042 away. Black text reads best on it, at 9.17:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.17:1 |
| White text | 2.28:1 |
Values
| HEX | #91AED1 |
| RGB | rgb(145, 174, 209) |
| HSL | hsl(213, 41%, 69%) |
| OKLCH | oklch(74.1% 0.06 253.4) |
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 #91AED1 | 2.28:1 | Fails | Lc -50.0 | Large or bold text, headings |
| Black text on #91AED1 | 9.17:1 | AAA | Lc 58.9 | Large or bold text, headings |
| #91AED1 text on white | 2.28:1 | Fails | Lc 45.1 | Large or bold text, headings |
| #91AED1 text on black | 9.17:1 | AAA | Lc -57.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300
#B0C3D9
oklch(81% 0.037 252.1)
-
Step 400
400 (this color)
#91AED1
oklch(74.1% 0.06 253.4)
-
Step 500
500
#688CB7
oklch(63% 0.077 253.3)
-
Step 600
600
#4F76A3
oklch(55.6% 0.083 252.8)
-
Step 700
700
#40638C
oklch(49.1% 0.078 253.2)
-
Step 800
800
#355172
oklch(42.8% 0.065 253.3)
-
Step 900
900
#2E435C
oklch(37.7% 0.051 253.3)
-
Step 950
950
#1B2736
oklch(26.9% 0.033 254.4)
#91AED1 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) | #A1AFD3 | 0.021 |
| Deuteranopia (no green cones) | #9AA9D0 | 0.016 |
| Tritanopia (no blue cones) | #7EB6B9 | 0.053 |
| Achromatopsia (no color) | #ABABAB | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91AED1
#91AED1
oklch(74.1% 0.06 253.4)
- #C3A681
#C3A681
oklch(74.2% 0.061 73.4)
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 #91AED1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.042
- Light Grey Blue #9DBCD4 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.052
- French Gray #ADB5BD ΔE 0.054
- Bluey Grey #89A0B0 ΔE 0.055
- Dark Gray #A9A9A9 ΔE 0.060
- Cool Grey #95A3A6 ΔE 0.061
Use #91AED1 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.