#8099A3
Closest named color: Cool Gray (#8D99AE). oklch(66.7% 0.032 224), rgb(128, 153, 163).
Aa
Black text reads best on this color (7.00:1).
About this color
#8099A3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.032 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.025 away. Black text reads best on it, at 7.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.00:1 |
| White text | 2.99:1 |
Values
| HEX | #8099A3 |
| RGB | rgb(128, 153, 163) |
| HSL | hsl(197, 16%, 57%) |
| OKLCH | oklch(66.7% 0.032 224) |
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 #8099A3 | 2.99:1 | Fails | Lc -62.0 | Content text, not long reading |
| Black text on #8099A3 | 7.00:1 | AAA | Lc 47.4 | Large or bold text, headings |
| #8099A3 text on white | 2.99:1 | Fails | Lc 56.7 | Large or bold text, headings |
| #8099A3 text on black | 7.00:1 | AAA | Lc -45.1 | 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 500.
-
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
#D3DADD
oklch(88.4% 0.009 225.1)
-
Step 300
300
#B6C3C8
oklch(80.9% 0.016 222.7)
-
Step 400
400
#91A4AC
oklch(70.6% 0.024 225)
-
Step 500
500 (this color)
#8099A3
oklch(66.7% 0.032 224)
-
Step 600
600
#5E7883
oklch(55.6% 0.035 225.6)
-
Step 700
700
#4D656E
oklch(49.1% 0.032 222.9)
-
Step 800
800
#3F525A
oklch(42.6% 0.027 225.5)
-
Step 900
900
#36444A
oklch(37.7% 0.021 225.8)
-
Step 950
950
#20282B
oklch(27% 0.013 222.5)
#8099A3 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) | #9397A4 | 0.026 |
| Deuteranopia (no green cones) | #8E93A3 | 0.024 |
| Tritanopia (no blue cones) | #769C9C | 0.020 |
| Achromatopsia (no color) | #959595 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8099A3
#8099A3
oklch(66.7% 0.032 224)
- #A68F85
#A68F85
oklch(66.8% 0.031 44.9)
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 #8099A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.025
- Bluey Grey #89A0B0 ΔE 0.028
- Greyblue #77A1B5 ΔE 0.029
- Bluegrey #85A3B2 ΔE 0.032
- Blue Grey #758DA3 ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.040
- Silver Lake Blue #778DA9 ΔE 0.041
- Cool Grey #95A3A6 ΔE 0.042
Use #8099A3 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.