#8A91A1
Closest named color: Cool Gray (#8D99AE). oklch(65.6% 0.025 266.8), rgb(138, 145, 161).
Aa
Black text reads best on this color (6.64:1).
About this color
#8A91A1 is a medium-light close to neutral grey. In OKLCH its lightness is 66%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Cool Gray (#8D99AE), ΔE 0.026 away. Black text reads best on it, at 6.64:1.
| Hue family | Neutrals |
| Lightness | medium-light (66%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.64:1 |
| White text | 3.16:1 |
Values
| HEX | #8A91A1 |
| RGB | rgb(138, 145, 161) |
| HSL | hsl(222, 11%, 59%) |
| OKLCH | oklch(65.6% 0.025 266.8) |
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 #8A91A1 | 3.16:1 | AA large text | Lc -64.1 | Content text, not long reading |
| Black text on #8A91A1 | 6.64:1 | AA | Lc 45.3 | Large or bold text, headings |
| #8A91A1 text on white | 3.16:1 | AA large text | Lc 58.7 | Large or bold text, headings |
| #8A91A1 text on black | 6.64:1 | AA | Lc -43.0 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BDC1C9
oklch(81% 0.012 264.5)
-
Step 400
400
#9BA1AD
oklch(70.8% 0.019 264.4)
-
Step 500
500 (this color)
#8A91A1
oklch(65.6% 0.025 266.8)
-
Step 600
600
#6C7384
oklch(55.6% 0.028 267.7)
-
Step 700
700
#5A6170
oklch(49.2% 0.026 265.6)
-
Step 800
800
#4A4F5B
oklch(42.8% 0.021 267.5)
-
Step 900
900
#3E424B
oklch(37.9% 0.016 266.5)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#8A91A1 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) | #8C92A2 | 0.004 |
| Deuteranopia (no green cones) | #8A90A1 | 0.003 |
| Tritanopia (no blue cones) | #859496 | 0.022 |
| Achromatopsia (no color) | #919191 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A91A1
#8A91A1
oklch(65.6% 0.025 266.8)
- #989080
#989080
oklch(65.6% 0.025 84.6)
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 #8A91A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.026
- Blue Grey #758DA3 ΔE 0.032
- Silver Lake Blue #778DA9 ΔE 0.032
- Light Slate Gray #778899 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.041
- Warm Grey #978A84 ΔE 0.043
- Greyblue #77A1B5 ΔE 0.048
- Bluegrey #85A3B2 ΔE 0.049
Use #8A91A1 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.