#28545E
Closest named color: Deep Teal (#00555A). oklch(41.9% 0.051 214.4), rgb(40, 84, 94).
Aa
White text reads best on this color (8.33:1).
About this color
#28545E is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.051 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.025 away. White text reads best on it, at 8.33:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #28545E |
| RGB | rgb(40, 84, 94) |
| HSL | hsl(191, 40%, 26%) |
| OKLCH | oklch(41.9% 0.051 214.4) |
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 #28545E | 8.33:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #28545E | 2.51:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #28545E text on white | 8.33:1 | AAA | Lc 88.6 | Fine for body text |
| #28545E text on black | 2.51:1 | Fails | Lc -13.6 | 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 800.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ACC6CD
oklch(80.9% 0.03 215.8)
-
Step 400
400
#7FA9B3
oklch(70.8% 0.048 214)
-
Step 500
500
#5C93A0
oklch(63% 0.061 214.4)
-
Step 600
600
#417D8B
oklch(55.5% 0.066 214.8)
-
Step 700
700
#326A76
oklch(49.2% 0.062 213.6)
-
Step 800
800 (this color)
#28545E
oklch(41.9% 0.051 214.4)
-
Step 900
900
#27474F
oklch(37.7% 0.04 215.6)
-
Step 950
950
#172A2E
oklch(27.1% 0.026 212.5)
#28545E 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) | #4D515F | 0.047 |
| Deuteranopia (no green cones) | #444B5E | 0.042 |
| Tritanopia (no blue cones) | #005857 | 0.030 |
| Achromatopsia (no color) | #4E4E4E | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28545E
#28545E
oklch(41.9% 0.051 214.4)
- #66433A
#66433A
oklch(42% 0.051 35)
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 #28545E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.025
- Petrol #005F6A ΔE 0.036
- Dark Teal #014D4E ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.045
- Charcoal #264653 ΔE 0.045
- Dark Blue Green #005249 ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.054
Use #28545E 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.