#405E5D
Closest named color: Dark Green Blue (#1F6357). oklch(45.8% 0.035 193.4), rgb(64, 94, 93).
Aa
White text reads best on this color (7.05:1).
About this color
#405E5D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.035 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.037 away. White text reads best on it, at 7.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #405E5D |
| RGB | rgb(64, 94, 93) |
| HSL | hsl(178, 19%, 31%) |
| OKLCH | oklch(45.8% 0.035 193.4) |
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 #405E5D | 7.05:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #405E5D | 2.97:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #405E5D text on white | 7.05:1 | AAA | Lc 84.4 | Fine for body text |
| #405E5D text on black | 2.97:1 | Fails | Lc -17.6 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D1DCDB
oklch(88.6% 0.012 190.4)
-
Step 300
300
#B2C5C4
oklch(80.9% 0.021 192.9)
-
Step 400
400
#8AA7A6
oklch(70.6% 0.032 193.9)
-
Step 500
500
#6C9291
oklch(63.2% 0.042 194.1)
-
Step 600
600
#537C7B
oklch(55.6% 0.046 194)
-
Step 700
700
#436967
oklch(49.2% 0.043 191.6)
-
Step 800
800 (this color)
#405E5D
oklch(45.8% 0.035 193.4)
-
Step 900
900
#304646
oklch(37.6% 0.027 196)
-
Step 950
950
#1D2929
oklch(27% 0.017 196.2)
#405E5D 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) | #5A5B5D | 0.037 |
| Deuteranopia (no green cones) | #55575D | 0.035 |
| Tritanopia (no blue cones) | #35605E | 0.013 |
| Achromatopsia (no color) | #595959 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405E5D
#405E5D
oklch(45.8% 0.035 193.4)
- #6A5052
#6A5052
oklch(45.9% 0.035 13.4)
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 #405E5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.037
- Slate #516572 ΔE 0.045
- Petrol #005F6A ΔE 0.046
- Dark Aqua #05696B ΔE 0.046
- YInMn Blue #415A77 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dusty Grape #545775 ΔE 0.059
- Deep Teal #00555A ΔE 0.060
Use #405E5D 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.