#286A5D
Closest named color: Dark Green Blue (#1F6357). oklch(47.8% 0.07 178), rgb(40, 106, 93).
Aa
White text reads best on this color (6.34:1).
About this color
#286A5D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.070 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.024 away. White text reads best on it, at 6.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.30:1 |
| White text | 6.34:1 |
Values
| HEX | #286A5D |
| RGB | rgb(40, 106, 93) |
| HSL | hsl(168, 45%, 29%) |
| OKLCH | oklch(47.8% 0.07 178) |
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 #286A5D | 6.34:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #286A5D | 3.30:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #286A5D text on white | 6.34:1 | AA | Lc 81.3 | Fine for body text |
| #286A5D text on black | 3.30:1 | AA large text | Lc -20.5 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDD9
oklch(88.4% 0.018 179.3)
-
Step 300
300
#AAC8C0
oklch(80.8% 0.034 177.5)
-
Step 400
400
#7CACA0
oklch(70.7% 0.054 177.4)
-
Step 500
500
#589789
oklch(63% 0.069 178.1)
-
Step 600
600
#3B8273
oklch(55.6% 0.076 177.6)
-
Step 700
700 (this color)
#286A5D
oklch(47.8% 0.07 178)
-
Step 800
800
#26594F
oklch(42.6% 0.058 178.7)
-
Step 900
900
#244A41
oklch(37.8% 0.047 176.4)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#286A5D 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) | #66645C | 0.074 |
| Deuteranopia (no green cones) | #5C5C5E | 0.071 |
| Tritanopia (no blue cones) | #006C66 | 0.019 |
| Achromatopsia (no color) | #5F5F5F | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286A5D
#286A5D
oklch(47.8% 0.07 178)
- #7D4C5D
#7D4C5D
oklch(47.8% 0.07 357.7)
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 #286A5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.024
- Dark Aqua #05696B ΔE 0.027
- Dark Aquamarine #017371 ΔE 0.035
- Deep Turquoise #017374 ΔE 0.038
- Petrol #005F6A ΔE 0.052
- Bluegreen #017A79 ΔE 0.055
- Deep Aqua #08787F ΔE 0.057
- Slate #516572 ΔE 0.063
Use #286A5D 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.