#286257
Closest named color: Dark Green Blue (#1F6357). oklch(45.4% 0.063 179), rgb(40, 98, 87).
Aa
White text reads best on this color (7.05:1).
About this color
#286257 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.063 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.007 away. White text reads best on it, at 7.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #286257 |
| RGB | rgb(40, 98, 87) |
| HSL | hsl(169, 42%, 27%) |
| OKLCH | oklch(45.4% 0.063 179) |
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 #286257 | 7.05:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #286257 | 2.97:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #286257 text on white | 7.05:1 | AAA | Lc 84.3 | Fine for body text |
| #286257 text on black | 2.97:1 | Fails | Lc -17.7 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDED9
oklch(88.6% 0.02 177.4)
-
Step 300
300
#A8C9C1
oklch(80.9% 0.037 179)
-
Step 400
400
#78ADA1
oklch(70.7% 0.059 178.8)
-
Step 500
500
#51998A
oklch(63.2% 0.076 178.5)
-
Step 600
600
#318374
oklch(55.6% 0.083 178.9)
-
Step 700
700
#236F61
oklch(49.2% 0.077 178.3)
-
Step 800
800 (this color)
#286257
oklch(45.4% 0.063 179)
-
Step 900
900
#204A42
oklch(37.6% 0.049 179.4)
-
Step 950
950
#142B27
oklch(26.9% 0.03 181.4)
#286257 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) | #5E5C57 | 0.067 |
| Deuteranopia (no green cones) | #555658 | 0.063 |
| Tritanopia (no blue cones) | #01635F | 0.020 |
| Achromatopsia (no color) | #595959 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286257
#286257
oklch(45.4% 0.063 179)
- #734756
#734756
oklch(45.3% 0.064 358)
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 #286257, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.007
- Dark Aqua #05696B ΔE 0.033
- Petrol #005F6A ΔE 0.039
- Pine #2B5D34 ΔE 0.051
- Deep Teal #00555A ΔE 0.053
- Spruce #0A5F38 ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.058
Use #286257 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.