#91A2B8
Closest named color: Bluey Grey (#89A0B0). oklch(70.6% 0.038 254.9), rgb(145, 162, 184).
Aa
Black text reads best on this color (8.06:1).
About this color
#91A2B8 is a medium-light, muted blue. In OKLCH its lightness is 71%, its chroma 0.038 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.017 away. Black text reads best on it, at 8.06:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 8.06:1 |
| White text | 2.60:1 |
Values
| HEX | #91A2B8 |
| RGB | rgb(145, 162, 184) |
| HSL | hsl(214, 22%, 65%) |
| OKLCH | oklch(70.6% 0.038 254.9) |
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 #91A2B8 | 2.60:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #91A2B8 | 8.06:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #91A2B8 text on white | 2.60:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #91A2B8 text on black | 8.06:1 | AAA | Lc -51.1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B7C2D0
oklch(81% 0.023 254.4)
-
Step 400
400 (this color)
#91A2B8
oklch(70.6% 0.038 254.9)
-
Step 500
500
#768BA7
oklch(63% 0.049 255.7)
-
Step 600
600
#5F7592
oklch(55.6% 0.052 255.5)
-
Step 700
700
#4E627C
oklch(49% 0.049 255.2)
-
Step 800
800
#405065
oklch(42.6% 0.041 255.4)
-
Step 900
900
#364352
oklch(37.8% 0.031 252.3)
-
Step 950
950
#202730
oklch(27% 0.02 254.8)
#91A2B8 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) | #9AA3B9 | 0.013 |
| Deuteranopia (no green cones) | #969FB8 | 0.010 |
| Tritanopia (no blue cones) | #87A7A9 | 0.033 |
| Achromatopsia (no color) | #A0A0A0 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A2B8
#91A2B8
oklch(70.6% 0.038 254.9)
- #AF9E87
#AF9E87
oklch(70.8% 0.038 75.4)
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 #91A2B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.017
- Bluegrey #85A3B2 ΔE 0.019
- Cool Steel #97A7B3 ΔE 0.020
- Cool Gray #8D99AE ΔE 0.026
- Cool Grey #95A3A6 ΔE 0.028
- Greyblue #77A1B5 ΔE 0.033
- Pewter #96A8A1 ΔE 0.043
- Dark Gray #A9A9A9 ΔE 0.047
Use #91A2B8 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.