#91A6BC
Closest named color: Cool Steel (#97A7B3). oklch(71.6% 0.04 249.6), rgb(145, 166, 188).
Aa
Black text reads best on this color (8.38:1).
About this color
#91A6BC is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.040 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.016 away. Black text reads best on it, at 8.38:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.38:1 |
| White text | 2.50:1 |
Values
| HEX | #91A6BC |
| RGB | rgb(145, 166, 188) |
| HSL | hsl(211, 24%, 65%) |
| OKLCH | oklch(71.6% 0.04 249.6) |
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 #91A6BC | 2.50:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #91A6BC | 8.38:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #91A6BC text on white | 2.50:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #91A6BC text on black | 8.38:1 | AAA | Lc -52.8 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B5C2D0
oklch(80.8% 0.024 250.1)
-
Step 400
400 (this color)
#91A6BC
oklch(71.6% 0.04 249.6)
-
Step 500
500
#728CA8
oklch(63% 0.052 250.5)
-
Step 600
600
#5A7693
oklch(55.5% 0.056 249.7)
-
Step 700
700
#4A637D
oklch(49% 0.052 249.9)
-
Step 800
800
#3D5166
oklch(42.7% 0.043 250.1)
-
Step 900
900
#344353
oklch(37.7% 0.034 250.4)
-
Step 950
950
#1F2730
oklch(26.9% 0.02 251.6)
#91A6BC 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) | #9EA6BD | 0.017 |
| Deuteranopia (no green cones) | #99A2BC | 0.014 |
| Tritanopia (no blue cones) | #85ABAD | 0.034 |
| Achromatopsia (no color) | #A4A4A4 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A6BC
#91A6BC
oklch(71.6% 0.04 249.6)
- #B4A089
#B4A089
oklch(71.7% 0.04 71)
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 #91A6BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.016
- Bluegrey #85A3B2 ΔE 0.023
- Bluey Grey #89A0B0 ΔE 0.025
- Cool Grey #95A3A6 ΔE 0.031
- Cool Gray #8D99AE ΔE 0.037
- Greyblue #77A1B5 ΔE 0.038
- Pewter #96A8A1 ΔE 0.042
- Dark Gray #A9A9A9 ΔE 0.044
Use #91A6BC 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.