#8B9AA4
Closest named color: Cool Gray (#8D99AE). oklch(67.8% 0.023 236.9), rgb(139, 154, 164).
Aa
Black text reads best on this color (7.25:1).
About this color
#8B9AA4 is a medium-light close to neutral grey. In OKLCH its lightness is 68%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Cool Gray (#8D99AE), ΔE 0.017 away. Black text reads best on it, at 7.25:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.25:1 |
| White text | 2.89:1 |
Values
| HEX | #8B9AA4 |
| RGB | rgb(139, 154, 164) |
| HSL | hsl(204, 12%, 59%) |
| OKLCH | oklch(67.8% 0.023 236.9) |
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 #8B9AA4 | 2.89:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #8B9AA4 | 7.25:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #8B9AA4 text on white | 2.89:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #8B9AA4 text on black | 7.25:1 | AAA | Lc -46.5 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2C9
oklch(80.8% 0.015 238.1)
-
Step 400
400 (this color)
#8B9AA4
oklch(67.8% 0.023 236.9)
-
Step 500
500
#7A8D99
oklch(63.2% 0.028 235.6)
-
Step 600
600
#627684
oklch(55.5% 0.032 238.7)
-
Step 700
700
#51646F
oklch(49.2% 0.029 233.6)
-
Step 800
800
#43515B
oklch(42.7% 0.024 239.2)
-
Step 900
900
#38434A
oklch(37.6% 0.019 235.9)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#8B9AA4 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) | #9699A5 | 0.015 |
| Deuteranopia (no green cones) | #9297A4 | 0.012 |
| Tritanopia (no blue cones) | #859D9D | 0.018 |
| Achromatopsia (no color) | #989898 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B9AA4
#8B9AA4
oklch(67.8% 0.023 236.9)
- #A3948A
#A3948A
oklch(67.7% 0.023 56)
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 #8B9AA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.017
- Bluey Grey #89A0B0 ΔE 0.020
- Bluegrey #85A3B2 ΔE 0.027
- Cool Grey #95A3A6 ΔE 0.030
- Greyblue #77A1B5 ΔE 0.033
- Cool Steel #97A7B3 ΔE 0.042
- Pewter #96A8A1 ΔE 0.045
- Blue Grey #758DA3 ΔE 0.050
Use #8B9AA4 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.