#28494E
Closest named color: Charcoal (#264653). oklch(38.2% 0.04 208.1), rgb(40, 73, 78).
Aa
White text reads best on this color (9.75:1).
About this color
#28494E is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.040 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.015 away. White text reads best on it, at 9.75:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #28494E |
| RGB | rgb(40, 73, 78) |
| HSL | hsl(188, 32%, 23%) |
| OKLCH | oklch(38.2% 0.04 208.1) |
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 #28494E | 9.75:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #28494E | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #28494E text on white | 9.75:1 | AAA | Lc 92.5 | Preferred for body text |
| #28494E text on black | 2.15:1 | Fails | Lc -9.9 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4ECED
oklch(93.7% 0.009 205.9)
-
Step 200
200
#CDDCDF
oklch(88.4% 0.017 211)
-
Step 300
300
#ABC6CB
oklch(80.8% 0.03 210.1)
-
Step 400
400
#7EA9B0
oklch(70.6% 0.047 208.6)
-
Step 500
500
#5C949D
oklch(63.1% 0.06 208.7)
-
Step 600
600
#407E88
oklch(55.6% 0.066 209.1)
-
Step 700
700
#316A73
oklch(49% 0.061 209)
-
Step 800
800
#2A575E
oklch(42.8% 0.051 208.7)
-
Step 900
900 (this color)
#28494E
oklch(38.2% 0.04 208.1)
-
Step 950
950
#172A2D
oklch(27% 0.025 208.4)
#28494E 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) | #44474E | 0.038 |
| Deuteranopia (no green cones) | #3E424E | 0.035 |
| Tritanopia (no blue cones) | #164C4A | 0.021 |
| Achromatopsia (no color) | #444444 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28494E
#28494E
oklch(38.2% 0.04 208.1)
- #563B37
#563B37
oklch(38.2% 0.039 28.5)
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 #28494E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.015
- Dark Slate Gray #2F4F4F ΔE 0.022
- Dark Teal #014D4E ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.028
- Charcoal Grey #3C4142 ΔE 0.035
- Dark Blue Green #005249 ΔE 0.040
- Deep Teal #00555A ΔE 0.041
- Onyx #343A40 ΔE 0.048
Use #28494E 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.