#285D4D
Closest named color: Dark Green Blue (#1F6357). oklch(43.7% 0.063 171), rgb(40, 93, 77).
Aa
White text reads best on this color (7.60:1).
About this color
#285D4D is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.063 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.020 away. White text reads best on it, at 7.60:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #285D4D |
| RGB | rgb(40, 93, 77) |
| HSL | hsl(162, 40%, 26%) |
| OKLCH | oklch(43.7% 0.063 171) |
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 #285D4D | 7.60:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #285D4D | 2.76:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #285D4D text on white | 7.60:1 | AAA | Lc 86.2 | Fine for body text |
| #285D4D text on black | 2.76:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#AAC9BD
oklch(81% 0.037 170)
-
Step 400
400
#7BAD9C
oklch(70.7% 0.059 171.5)
-
Step 500
500
#579883
oklch(63% 0.075 171)
-
Step 600
600
#39836D
oklch(55.6% 0.082 171.1)
-
Step 700
700
#2B6F5B
oklch(49.2% 0.076 170.8)
-
Step 800
800 (this color)
#285D4D
oklch(43.7% 0.063 171)
-
Step 900
900
#244A3E
oklch(37.7% 0.049 170.9)
-
Step 950
950
#162B24
oklch(26.9% 0.03 170.6)
#285D4D 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) | #5A574C | 0.064 |
| Deuteranopia (no green cones) | #52514E | 0.062 |
| Tritanopia (no blue cones) | #0F5E58 | 0.021 |
| Achromatopsia (no color) | #545454 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285D4D
#285D4D
oklch(43.7% 0.063 171)
- #6C4356
#6C4356
oklch(43.7% 0.063 350.7)
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 #285D4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.020
- Pine #2B5D34 ΔE 0.038
- Spruce #0A5F38 ΔE 0.042
- Deep Teal #00555A ΔE 0.045
- Dark Blue Green #005249 ΔE 0.046
- Petrol #005F6A ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.047
- Dark Aqua #05696B ΔE 0.051
Use #285D4D 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.