#8D99A3
Closest named color: Cool Gray (#8D99AE). oklch(67.7% 0.02 243.1), rgb(141, 153, 163).
Aa
Black text reads best on this color (7.21:1).
About this color
#8D99A3 is a medium-light close to neutral grey. In OKLCH its lightness is 68%, its chroma 0.020. 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 7.21:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.21:1 |
| White text | 2.90:1 |
Values
| HEX | #8D99A3 |
| RGB | rgb(141, 153, 163) |
| HSL | hsl(207, 11%, 60%) |
| OKLCH | oklch(67.7% 0.02 243.1) |
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 #8D99A3 | 2.90:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #8D99A3 | 7.21:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #8D99A3 text on white | 2.90:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #8D99A3 text on black | 7.21:1 | AAA | Lc -46.3 | 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
#F4F5F6
oklch(97% 0.002 247.8)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADD
oklch(88.5% 0.007 233.7)
-
Step 300
300
#BAC2C8
oklch(81% 0.012 239.9)
-
Step 400
400 (this color)
#8D99A3
oklch(67.7% 0.02 243.1)
-
Step 500
500
#7D8C98
oklch(63.2% 0.025 242.1)
-
Step 600
600
#667683
oklch(55.7% 0.028 242.7)
-
Step 700
700
#54636F
oklch(49.2% 0.027 242.3)
-
Step 800
800
#45515A
oklch(42.8% 0.021 240.5)
-
Step 900
900
#3A434A
oklch(37.7% 0.017 241.4)
-
Step 950
950
#22272B
oklch(26.9% 0.01 242.1)
#8D99A3 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) | #9599A4 | 0.011 |
| Deuteranopia (no green cones) | #9296A3 | 0.010 |
| Tritanopia (no blue cones) | #889B9C | 0.015 |
| Achromatopsia (no color) | #979797 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8D99A3
#8D99A3
oklch(67.7% 0.02 243.1)
- #A1958B
#A1958B
oklch(67.7% 0.02 62.3)
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 #8D99A3, 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 0.022
- Bluegrey #85A3B2 ΔE 0.030
- Cool Grey #95A3A6 ΔE 0.031
- Greyblue #77A1B5 ΔE 0.036
- Cool Steel #97A7B3 ΔE 0.043
- Pewter #96A8A1 ΔE 0.046
- Blue Grey #758DA3 ΔE 0.050
Use #8D99A3 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.