#28616B
Closest named color: Petrol (#005F6A). oklch(45.9% 0.061 210.8), rgb(40, 97, 107).
Aa
White text reads best on this color (6.97:1).
About this color
#28616B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.061 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.022 away. White text reads best on it, at 6.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #28616B |
| RGB | rgb(40, 97, 107) |
| HSL | hsl(189, 46%, 29%) |
| OKLCH | oklch(45.9% 0.061 210.8) |
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 #28616B | 6.97:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #28616B | 3.01:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #28616B text on white | 6.97:1 | AA | Lc 83.9 | Fine for body text |
| #28616B text on black | 3.01:1 | AA large text | Lc -18.0 | Dividers and decoration only |
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 700.
-
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
#CDDCDF
oklch(88.4% 0.017 211)
-
Step 300
300
#ACC6CB
oklch(80.9% 0.029 210.5)
-
Step 400
400
#7FA9B1
oklch(70.7% 0.047 210.6)
-
Step 500
500
#5C949E
oklch(63.2% 0.061 210.1)
-
Step 600
600
#407E89
oklch(55.6% 0.066 210.4)
-
Step 700
700 (this color)
#28616B
oklch(45.9% 0.061 210.8)
-
Step 800
800
#2A575F
oklch(42.8% 0.051 210.5)
-
Step 900
900
#27474D
oklch(37.6% 0.039 210.9)
-
Step 950
950
#172A2D
oklch(27% 0.025 208.4)
#28616B 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) | #595E6C | 0.058 |
| Deuteranopia (no green cones) | #4E566B | 0.052 |
| Tritanopia (no blue cones) | #006564 | 0.027 |
| Achromatopsia (no color) | #595959 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28616B
#28616B
oklch(45.9% 0.061 210.8)
- #764B43
#764B43
oklch(45.9% 0.061 31.1)
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 #28616B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.022
- Dark Aqua #05696B ΔE 0.028
- Dark Green Blue #1F6357 ΔE 0.037
- YInMn Blue #415A77 ΔE 0.042
- Slate #516572 ΔE 0.050
- Deep Teal #00555A ΔE 0.052
- Deep Turquoise #017374 ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.055
Use #28616B 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.