#28665E
Closest named color: Dark Green Blue (#1F6357). oklch(46.8% 0.065 183.8), rgb(40, 102, 94).
Aa
White text reads best on this color (6.66:1).
About this color
#28665E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.065 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.016 away. White text reads best on it, at 6.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #28665E |
| RGB | rgb(40, 102, 94) |
| HSL | hsl(172, 44%, 28%) |
| OKLCH | oklch(46.8% 0.065 183.8) |
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 #28665E | 6.66:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #28665E | 3.15:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #28665E text on white | 6.66:1 | AA | Lc 82.7 | Fine for body text |
| #28665E text on black | 3.15:1 | AA large text | Lc -19.2 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#ABC8C3
oklch(81% 0.032 184)
-
Step 400
400
#7DABA4
oklch(70.6% 0.05 184.5)
-
Step 500
500
#5B968E
oklch(63% 0.063 184.8)
-
Step 600
600
#3E8178
oklch(55.7% 0.07 183.9)
-
Step 700
700 (this color)
#28665E
oklch(46.8% 0.065 183.8)
-
Step 800
800
#285952
oklch(42.8% 0.055 183.2)
-
Step 900
900
#264944
oklch(37.7% 0.042 183.9)
-
Step 950
950
#172B28
oklch(27.1% 0.027 183.8)
#28665E 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) | #61605E | 0.069 |
| Deuteranopia (no green cones) | #58595F | 0.066 |
| Tritanopia (no blue cones) | #006863 | 0.017 |
| Achromatopsia (no color) | #5C5C5C | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28665E
#28665E
oklch(46.8% 0.065 183.8)
- #794A56
#794A56
oklch(46.7% 0.066 3.4)
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 #28665E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.016
- Dark Aqua #05696B ΔE 0.023
- Petrol #005F6A ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.042
- Deep Turquoise #017374 ΔE 0.044
- Slate #516572 ΔE 0.059
- Pine #2B5D34 ΔE 0.062
- Deep Teal #00555A ΔE 0.062
Use #28665E 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.