#8991A6
Closest named color: Cool Gray (#8D99AE). oklch(65.7% 0.033 268.9), rgb(137, 145, 166).
Aa
Black text reads best on this color (6.66:1).
About this color
#8991A6 is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.033 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.024 away. Black text reads best on it, at 6.66:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.66:1 |
| White text | 3.15:1 |
Values
| HEX | #8991A6 |
| RGB | rgb(137, 145, 166) |
| HSL | hsl(223, 14%, 59%) |
| OKLCH | oklch(65.7% 0.033 268.9) |
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 #8991A6 | 3.15:1 | AA large text | Lc -64.0 | Content text, not long reading |
| Black text on #8991A6 | 6.66:1 | AA | Lc 45.4 | Large or bold text, headings |
| #8991A6 text on white | 3.15:1 | AA large text | Lc 58.6 | Large or bold text, headings |
| #8991A6 text on black | 6.66:1 | AA | Lc -43.1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D7D9DF
oklch(88.6% 0.008 271.3)
-
Step 300
300
#BCC0CB
oklch(80.8% 0.016 269.9)
-
Step 400
400
#9AA0B1
oklch(70.6% 0.026 270.2)
-
Step 500
500 (this color)
#8991A6
oklch(65.7% 0.033 268.9)
-
Step 600
600
#6B7389
oklch(55.7% 0.036 269.5)
-
Step 700
700
#596074
oklch(49% 0.033 270)
-
Step 800
800
#494F5E
oklch(42.8% 0.026 268.1)
-
Step 900
900
#3D414D
oklch(37.6% 0.021 270.8)
-
Step 950
950
#24262D
oklch(27% 0.013 272.9)
#8991A6 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) | #8B92A7 | 0.004 |
| Deuteranopia (no green cones) | #8990A5 | 0.003 |
| Tritanopia (no blue cones) | #829598 | 0.029 |
| Achromatopsia (no color) | #919191 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8991A6
#8991A6
oklch(65.7% 0.033 268.9)
- #99917B
#99917B
oklch(65.7% 0.033 90.4)
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 #8991A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.024
- Silver Lake Blue #778DA9 ΔE 0.029
- Blue Grey #758DA3 ΔE 0.031
- Light Slate Gray #778899 ΔE 0.040
- Bluey Grey #89A0B0 ΔE 0.040
- Greyblue #77A1B5 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.048
- Warm Grey #978A84 ΔE 0.050
Use #8991A6 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.