#056B51
Closest named color: Dark Green Blue (#1F6357). oklch(47% 0.093 168.5), rgb(5, 107, 81).
Aa
White text reads best on this color (6.50:1).
About this color
#056B51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.093 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.032 away. White text reads best on it, at 6.50:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.22:1 |
| White text | 6.50:1 |
Values
| HEX | #056B51 |
| RGB | rgb(5, 107, 81) |
| HSL | hsl(165, 91%, 22%) |
| OKLCH | oklch(47% 0.093 168.5) |
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 #056B51 | 6.50:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #056B51 | 3.22:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #056B51 text on white | 6.50:1 | AA | Lc 81.8 | Fine for body text |
| #056B51 text on black | 3.22:1 | AA large text | Lc -20.1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A5CABB
oklch(80.8% 0.045 168.6)
-
Step 400
400
#72AF98
oklch(70.6% 0.072 168.5)
-
Step 500
500
#499B7F
oklch(63% 0.092 168.5)
-
Step 600
600
#248668
oklch(55.6% 0.101 168)
-
Step 700
700 (this color)
#056B51
oklch(47% 0.093 168.5)
-
Step 800
800
#155C47
oklch(42.6% 0.077 168.6)
-
Step 900
900
#1B4C3C
oklch(37.8% 0.06 168.6)
-
Step 950
950
#112C23
oklch(26.9% 0.037 169.3)
#056B51 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) | #686350 | 0.094 |
| Deuteranopia (no green cones) | #5D5A53 | 0.092 |
| Tritanopia (no blue cones) | #006C64 | 0.030 |
| Achromatopsia (no color) | #5E5E5E | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #056B51
#056B51
oklch(47% 0.093 168.5)
- #804363
#804363
oklch(46.8% 0.093 348.6)
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 #056B51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.032
- Dark Aqua #05696B ΔE 0.045
- Spruce #0A5F38 ΔE 0.046
- Pine #2B5D34 ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.050
- Deep Turquoise #017374 ΔE 0.055
- Petrol #005F6A ΔE 0.065
- Bluegreen #017A79 ΔE 0.068
Use #056B51 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.