#406C59
Closest named color: Dark Green Blue (#1F6357). oklch(49.3% 0.058 164.9), rgb(64, 108, 89).
Aa
White text reads best on this color (5.98:1).
About this color
#406C59 is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.058 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.044 away. White text reads best on it, at 5.98:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #406C59 |
| RGB | rgb(64, 108, 89) |
| HSL | hsl(154, 26%, 34%) |
| OKLCH | oklch(49.3% 0.058 164.9) |
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 #406C59 | 5.98:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #406C59 | 3.50:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #406C59 text on white | 5.98:1 | AA | Lc 79.8 | Fine for body text |
| #406C59 text on black | 3.50:1 | AA large text | Lc -22.0 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D0DDD6
oklch(88.6% 0.017 162.7)
-
Step 300
300
#B1C7BC
oklch(81% 0.028 164.2)
-
Step 400
400
#87AA9A
oklch(70.7% 0.045 165.5)
-
Step 500
500
#689581
oklch(63.1% 0.058 165.3)
-
Step 600
600
#4F7F6A
oklch(55.6% 0.062 164.8)
-
Step 700
700 (this color)
#406C59
oklch(49.3% 0.058 164.9)
-
Step 800
800
#355848
oklch(42.8% 0.049 163.7)
-
Step 900
900
#2E483D
oklch(37.7% 0.037 166.1)
-
Step 950
950
#1B2A23
oklch(26.9% 0.024 164.2)
#406C59 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) | #6A6658 | 0.057 |
| Deuteranopia (no green cones) | #63615A | 0.056 |
| Tritanopia (no blue cones) | #356C67 | 0.023 |
| Achromatopsia (no color) | #636363 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406C59
#406C59
oklch(49.3% 0.058 164.9)
- #7A5469
#7A5469
oklch(49.4% 0.059 345.2)
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 #406C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.045
- Deep Turquoise #017374 ΔE 0.048
- Dark Aqua #05696B ΔE 0.048
- Dark Moss Green #606C38 ΔE 0.056
- Slate #516572 ΔE 0.057
- Bluegreen #017A79 ΔE 0.057
- Dark Olive Green #556B2F ΔE 0.057
Use #406C59 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.