#405B50
Closest named color: Dark Green Blue (#1F6357). oklch(44.6% 0.037 167.6), rgb(64, 91, 80).
Aa
White text reads best on this color (7.41:1).
About this color
#405B50 is a dark, muted green. In OKLCH its lightness is 45%, its chroma 0.037 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 0.035 away. White text reads best on it, at 7.41:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.83:1 |
| White text | 7.41:1 |
Values
| HEX | #405B50 |
| RGB | rgb(64, 91, 80) |
| HSL | hsl(156, 17%, 30%) |
| OKLCH | oklch(44.6% 0.037 167.6) |
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 #405B50 | 7.41:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #405B50 | 2.83:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #405B50 text on white | 7.41:1 | AAA | Lc 85.8 | Fine for body text |
| #405B50 text on black | 2.83:1 | Fails | Lc -16.3 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D2DCD7
oklch(88.5% 0.013 164.8)
-
Step 300
300
#B4C5BE
oklch(80.8% 0.021 169.2)
-
Step 400
400
#8DA89C
oklch(70.7% 0.035 166.7)
-
Step 500
500
#709284
oklch(63% 0.043 167.8)
-
Step 600
600
#577D6E
oklch(55.7% 0.049 168.1)
-
Step 700
700
#47695C
oklch(49.1% 0.045 168.7)
-
Step 800
800 (this color)
#405B50
oklch(44.6% 0.037 167.6)
-
Step 900
900
#33473E
oklch(37.8% 0.03 165.4)
-
Step 950
950
#1E2925
oklch(26.9% 0.017 170.8)
#405B50 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) | #5A574F | 0.038 |
| Deuteranopia (no green cones) | #555451 | 0.036 |
| Tritanopia (no blue cones) | #3A5B58 | 0.014 |
| Achromatopsia (no color) | #555555 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405B50
#405B50
oklch(44.6% 0.037 167.6)
- #644C58
#644C58
oklch(44.6% 0.037 347.2)
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 #405B50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.047
- Petrol #005F6A ΔE 0.054
- Pine #2B5D34 ΔE 0.054
- Dark Aqua #05696B ΔE 0.057
- Deep Teal #00555A ΔE 0.057
- Slate #516572 ΔE 0.063
- Dark Blue Green #005249 ΔE 0.063
Use #405B50 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.