#40595F
Closest named color: YInMn Blue (#415A77). oklch(44.6% 0.032 214.2), rgb(64, 89, 95).
Aa
White text reads best on this color (7.46:1).
About this color
#40595F is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.032 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.040 away. White text reads best on it, at 7.46:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #40595F |
| RGB | rgb(64, 89, 95) |
| HSL | hsl(192, 19%, 31%) |
| OKLCH | oklch(44.6% 0.032 214.2) |
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 #40595F | 7.46:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #40595F | 2.81:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #40595F text on white | 7.46:1 | AAA | Lc 85.9 | Fine for body text |
| #40595F text on black | 2.81:1 | Fails | Lc -16.1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDD
oklch(88.5% 0.01 212.5)
-
Step 300
300
#B4C4C8
oklch(80.9% 0.018 214.4)
-
Step 400
400
#8CA6AC
oklch(70.7% 0.03 213.2)
-
Step 500
500
#709098
oklch(63.2% 0.038 214.7)
-
Step 600
600
#577A82
oklch(55.6% 0.041 213.4)
-
Step 700
700
#47676E
oklch(49.2% 0.039 212.8)
-
Step 800
800 (this color)
#40595F
oklch(44.6% 0.032 214.2)
-
Step 900
900
#33454A
oklch(37.7% 0.024 216.7)
-
Step 950
950
#1E292B
oklch(27.1% 0.016 209.9)
#40595F 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) | #54575F | 0.028 |
| Deuteranopia (no green cones) | #4F535F | 0.027 |
| Tritanopia (no blue cones) | #365C5B | 0.018 |
| Achromatopsia (no color) | #555555 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40595F
#40595F
oklch(44.6% 0.032 214.2)
- #654E49
#654E49
oklch(44.6% 0.032 32.4)
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 #40595F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.045
- Petrol #005F6A ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.049
- Dusty Grape #545775 ΔE 0.050
- Slate #516572 ΔE 0.051
- Deep Teal #00555A ΔE 0.054
- Dark Aqua #05696B ΔE 0.057
Use #40595F 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.