#286370
Closest named color: Petrol (#005F6A). oklch(46.7% 0.064 214.6), rgb(40, 99, 112).
Aa
White text reads best on this color (6.75:1).
About this color
#286370 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.064 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.027 away. White text reads best on it, at 6.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.10:1 |
| White text | 6.75:1 |
Values
| HEX | #286370 |
| RGB | rgb(40, 99, 112) |
| HSL | hsl(191, 47%, 30%) |
| OKLCH | oklch(46.7% 0.064 214.6) |
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 #286370 | 6.75:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #286370 | 3.10:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #286370 text on white | 6.75:1 | AA | Lc 83.1 | Fine for body text |
| #286370 text on black | 3.10:1 | AA large text | Lc -18.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ABC6CD
oklch(80.9% 0.031 215.1)
-
Step 400
400
#7DA9B4
oklch(70.7% 0.05 214.9)
-
Step 500
500
#5A94A1
oklch(63.2% 0.064 213.6)
-
Step 600
600
#3E7E8C
oklch(55.7% 0.069 213.8)
-
Step 700
700 (this color)
#286370
oklch(46.7% 0.064 214.6)
-
Step 800
800
#295661
oklch(42.6% 0.053 215.8)
-
Step 900
900
#26474F
oklch(37.6% 0.041 215.1)
-
Step 950
950
#172A2E
oklch(27.1% 0.026 212.5)
#286370 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) | #5A6071 | 0.058 |
| Deuteranopia (no green cones) | #4F5870 | 0.052 |
| Tritanopia (no blue cones) | #006867 | 0.031 |
| Achromatopsia (no color) | #5B5B5B | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286370
#286370
oklch(46.7% 0.064 214.6)
- #794D42
#794D42
oklch(46.7% 0.063 34.7)
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 #286370, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.027
- Dark Aqua #05696B ΔE 0.027
- YInMn Blue #415A77 ΔE 0.040
- Dark Green Blue #1F6357 ΔE 0.043
- Slate #516572 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.050
- Denim #3B638C ΔE 0.052
Use #286370 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.