#28484B
Closest named color: Charcoal (#264653). oklch(37.8% 0.038 203.4), rgb(40, 72, 75).
Aa
White text reads best on this color (9.91:1).
About this color
#28484B is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.038 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.017 away. White text reads best on it, at 9.91:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #28484B |
| RGB | rgb(40, 72, 75) |
| HSL | hsl(185, 30%, 23%) |
| OKLCH | oklch(37.8% 0.038 203.4) |
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 #28484B | 9.91:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #28484B | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #28484B text on white | 9.91:1 | AAA | Lc 92.9 | Preferred for body text |
| #28484B text on black | 2.11:1 | Fails | Lc -9.5 | Not readable |
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 900.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDCDE
oklch(88.4% 0.015 207.1)
-
Step 300
300
#ACC6C9
oklch(80.8% 0.028 205.1)
-
Step 400
400
#7FA9AD
oklch(70.6% 0.046 203.5)
-
Step 500
500
#5D9499
oklch(63% 0.059 203.1)
-
Step 600
600
#427E84
oklch(55.5% 0.063 204)
-
Step 700
700
#336B70
oklch(49.2% 0.059 203.1)
-
Step 800
800
#2B575B
oklch(42.7% 0.049 203.2)
-
Step 900
900 (this color)
#28484B
oklch(37.8% 0.038 203.4)
-
Step 950
950
#182A2C
oklch(27% 0.024 204.7)
#28484B 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) | #44454B | 0.039 |
| Deuteranopia (no green cones) | #3E414B | 0.036 |
| Tritanopia (no blue cones) | #184A49 | 0.017 |
| Achromatopsia (no color) | #434343 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28484B
#28484B
oklch(37.8% 0.038 203.4)
- #553A38
#553A38
oklch(37.9% 0.039 23.8)
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 #28484B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.017
- Dark Slate Gray #2F4F4F ΔE 0.025
- Dark Teal #014D4E ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.031
- Charcoal Grey #3C4142 ΔE 0.032
- Dark Blue Green #005249 ΔE 0.040
- Deep Teal #00555A ΔE 0.044
- Onyx #343A40 ΔE 0.045
Use #28484B 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.