#405B4E
Closest named color: Dark Green Blue (#1F6357). oklch(44.5% 0.039 163.5), rgb(64, 91, 78).
Aa
White text reads best on this color (7.43:1).
About this color
#405B4E is a dark, muted green. In OKLCH its lightness is 45%, its chroma 0.039 and its hue 164°. 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 7.43:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #405B4E |
| RGB | rgb(64, 91, 78) |
| HSL | hsl(151, 17%, 30%) |
| OKLCH | oklch(44.5% 0.039 163.5) |
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 #405B4E | 7.43:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #405B4E | 2.82:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #405B4E text on white | 7.43:1 | AAA | Lc 85.8 | Fine for body text |
| #405B4E text on black | 2.82:1 | Fails | Lc -16.2 | 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
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD7
oklch(88.5% 0.013 164.8)
-
Step 300
300
#B4C5BC
oklch(80.8% 0.022 162.9)
-
Step 400
400
#8DA89A
oklch(70.7% 0.036 162.8)
-
Step 500
500
#709382
oklch(63.2% 0.047 163.7)
-
Step 600
600
#587D6B
oklch(55.6% 0.05 163.1)
-
Step 700
700
#486959
oklch(49% 0.046 163.1)
-
Step 800
800 (this color)
#405B4E
oklch(44.5% 0.039 163.5)
-
Step 900
900
#33473D
oklch(37.8% 0.03 162.8)
-
Step 950
950
#1E2924
oklch(26.9% 0.018 165.6)
#405B4E 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) | #5A574D | 0.038 |
| Deuteranopia (no green cones) | #55544F | 0.036 |
| Tritanopia (no blue cones) | #3A5B57 | 0.015 |
| Achromatopsia (no color) | #555555 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405B4E
#405B4E
oklch(44.5% 0.039 163.5)
- #644C59
#644C59
oklch(44.6% 0.038 345)
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 #405B4E, 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
- Pine #2B5D34 ΔE 0.052
- Petrol #005F6A ΔE 0.056
- Deep Teal #00555A ΔE 0.058
- Dark Aqua #05696B ΔE 0.059
- Spruce #0A5F38 ΔE 0.063
- Dark Blue Green #005249 ΔE 0.063
Use #405B4E 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.