#286259
Closest named color: Dark Green Blue (#1F6357). oklch(45.5% 0.062 181.7), rgb(40, 98, 89).
Aa
White text reads best on this color (7.04:1).
About this color
#286259 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.062 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.008 away. White text reads best on it, at 7.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.98:1 |
| White text | 7.04:1 |
Values
| HEX | #286259 |
| RGB | rgb(40, 98, 89) |
| HSL | hsl(171, 42%, 27%) |
| OKLCH | oklch(45.5% 0.062 181.7) |
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 #286259 | 7.04:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #286259 | 2.98:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #286259 text on white | 7.04:1 | AAA | Lc 84.2 | Fine for body text |
| #286259 text on black | 2.98:1 | Fails | Lc -17.8 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A8C9C2
oklch(81% 0.037 181.1)
-
Step 400
400
#77ADA3
oklch(70.7% 0.059 181.7)
-
Step 500
500
#51988D
oklch(63% 0.074 182.7)
-
Step 600
600
#318377
oklch(55.7% 0.081 182)
-
Step 700
700
#226F64
oklch(49.2% 0.076 181.7)
-
Step 800
800 (this color)
#286259
oklch(45.5% 0.062 181.7)
-
Step 900
900
#204A43
oklch(37.7% 0.049 181.2)
-
Step 950
950
#142B27
oklch(26.9% 0.03 181.4)
#286259 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) | #5E5D59 | 0.066 |
| Deuteranopia (no green cones) | #55565A | 0.063 |
| Tritanopia (no blue cones) | #00645F | 0.018 |
| Achromatopsia (no color) | #595959 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286259
#286259
oklch(45.5% 0.062 181.7)
- #744854
#744854
oklch(45.6% 0.062 2.1)
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 #286259, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.008
- Dark Aqua #05696B ΔE 0.031
- Petrol #005F6A ΔE 0.037
- Deep Teal #00555A ΔE 0.052
- Pine #2B5D34 ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.055
- Spruce #0A5F38 ΔE 0.057
- Deep Turquoise #017374 ΔE 0.057
Use #286259 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.