#405D63
Closest named color: YInMn Blue (#415A77). oklch(45.8% 0.036 211.9), rgb(64, 93, 99).
Aa
White text reads best on this color (7.08:1).
About this color
#405D63 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.036 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.038 away. White text reads best on it, at 7.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #405D63 |
| RGB | rgb(64, 93, 99) |
| HSL | hsl(190, 21%, 32%) |
| OKLCH | oklch(45.8% 0.036 211.9) |
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 #405D63 | 7.08:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #405D63 | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #405D63 text on white | 7.08:1 | AAA | Lc 84.5 | Fine for body text |
| #405D63 text on black | 2.96:1 | Fails | Lc -17.5 | 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
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D1DBDD
oklch(88.4% 0.011 211)
-
Step 300
300
#B2C4C8
oklch(80.8% 0.02 212.6)
-
Step 400
400
#8AA7AD
oklch(70.8% 0.033 211.6)
-
Step 500
500
#6C9198
oklch(63.2% 0.042 210.5)
-
Step 600
600
#537B83
oklch(55.6% 0.046 211.5)
-
Step 700
700
#43676F
oklch(49% 0.043 213.2)
-
Step 800
800 (this color)
#405D63
oklch(45.8% 0.036 211.9)
-
Step 900
900
#30464A
oklch(37.8% 0.028 210)
-
Step 950
950
#1D292B
oklch(27.1% 0.017 208.8)
#405D63 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) | #585B63 | 0.033 |
| Deuteranopia (no green cones) | #525663 | 0.031 |
| Tritanopia (no blue cones) | #33605F | 0.020 |
| Achromatopsia (no color) | #585858 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405D63
#405D63
oklch(45.8% 0.036 211.9)
- #6A504B
#6A504B
oklch(45.7% 0.036 30.9)
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 #405D63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.038
- Slate #516572 ΔE 0.040
- Petrol #005F6A ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.045
- Dark Aqua #05696B ΔE 0.048
- Dusty Grape #545775 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.056
- Deep Teal #00555A ΔE 0.060
Use #405D63 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.