#405B64
Closest named color: YInMn Blue (#415A77). oklch(45.3% 0.035 220.5), rgb(64, 91, 100).
Aa
White text reads best on this color (7.24:1).
About this color
#405B64 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.035 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.033 away. White text reads best on it, at 7.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #405B64 |
| RGB | rgb(64, 91, 100) |
| HSL | hsl(195, 22%, 32%) |
| OKLCH | oklch(45.3% 0.035 220.5) |
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 #405B64 | 7.24:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #405B64 | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #405B64 text on white | 7.24:1 | AAA | Lc 85.1 | Fine for body text |
| #405B64 text on black | 2.89:1 | Fails | Lc -16.9 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBDE
oklch(88.5% 0.012 217.6)
-
Step 300
300
#B3C4CA
oklch(80.9% 0.02 220.9)
-
Step 400
400
#8BA6AF
oklch(70.8% 0.033 220)
-
Step 500
500
#6D909B
oklch(63.1% 0.042 219.1)
-
Step 600
600
#557A86
oklch(55.6% 0.046 220.1)
-
Step 700
700
#456772
oklch(49.2% 0.043 220.1)
-
Step 800
800 (this color)
#405B64
oklch(45.3% 0.035 220.5)
-
Step 900
900
#31454C
oklch(37.6% 0.028 221.5)
-
Step 950
950
#1D292C
oklch(27.1% 0.017 214.8)
#405B64 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) | #555965 | 0.030 |
| Deuteranopia (no green cones) | #505564 | 0.027 |
| Tritanopia (no blue cones) | #335E5E | 0.022 |
| Achromatopsia (no color) | #575757 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405B64
#405B64
oklch(45.3% 0.035 220.5)
- #685047
#685047
oklch(45.4% 0.036 41.5)
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 #405B64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.033
- Slate #516572 ΔE 0.043
- Petrol #005F6A ΔE 0.043
- Dusty Grape #545775 ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Aqua #05696B ΔE 0.053
- Deep Teal #00555A ΔE 0.058
Use #405B64 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.