#286F57
Closest named color: Dark Aquamarine (#017371). oklch(49% 0.081 167.4), rgb(40, 111, 87).
Aa
White text reads best on this color (5.99:1).
About this color
#286F57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.081 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.039 away. White text reads best on it, at 5.99:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.50:1 |
| White text | 5.99:1 |
Values
| HEX | #286F57 |
| RGB | rgb(40, 111, 87) |
| HSL | hsl(160, 47%, 30%) |
| OKLCH | oklch(49% 0.081 167.4) |
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 #286F57 | 5.99:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #286F57 | 3.50:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #286F57 text on white | 5.99:1 | AA | Lc 79.7 | Fine for body text |
| #286F57 text on black | 3.50:1 | AA large text | Lc -22.1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#A9C9BB
oklch(80.8% 0.04 167.1)
-
Step 400
400
#7AAE99
oklch(70.8% 0.063 167.5)
-
Step 500
500
#559980
oklch(63% 0.08 168)
-
Step 600
600
#378469
oklch(55.7% 0.088 167.3)
-
Step 700
700 (this color)
#286F57
oklch(49% 0.081 167.4)
-
Step 800
800
#235B47
oklch(42.8% 0.068 166.8)
-
Step 900
900
#234B3C
oklch(37.9% 0.053 166.9)
-
Step 950
950
#152C23
oklch(27.1% 0.034 166.7)
#286F57 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) | #6C6756 | 0.081 |
| Deuteranopia (no green cones) | #626059 | 0.079 |
| Tritanopia (no blue cones) | #006F68 | 0.029 |
| Achromatopsia (no color) | #636363 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286F57
#286F57
oklch(49% 0.081 167.4)
- #824D69
#824D69
oklch(49.1% 0.081 347.5)
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 #286F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.043
- Dark Aqua #05696B ΔE 0.045
- Bluegreen #017A79 ΔE 0.053
- Deep Aqua #08787F ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.061
- Pine #2B5D34 ΔE 0.065
Use #286F57 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.