#40655A
Closest named color: Dark Green Blue (#1F6357). oklch(47.5% 0.046 173.6), rgb(64, 101, 90).
Aa
White text reads best on this color (6.50:1).
About this color
#40655A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.046 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.033 away. White text reads best on it, at 6.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.22:1 |
| White text | 6.50:1 |
Values
| HEX | #40655A |
| RGB | rgb(64, 101, 90) |
| HSL | hsl(162, 22%, 32%) |
| OKLCH | oklch(47.5% 0.046 173.6) |
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 #40655A | 6.50:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #40655A | 3.22:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #40655A text on white | 6.50:1 | AA | Lc 82.2 | Fine for body text |
| #40655A text on black | 3.22:1 | AA large text | Lc -19.7 | 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 700.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B3C6BF
oklch(81% 0.023 171.6)
-
Step 400
400
#8AA89F
oklch(70.6% 0.036 175.1)
-
Step 500
500
#6D9387
oklch(63.1% 0.046 173.3)
-
Step 600
600
#547D71
oklch(55.6% 0.05 174.2)
-
Step 700
700 (this color)
#40655A
oklch(47.5% 0.046 173.6)
-
Step 800
800
#39564D
oklch(42.7% 0.038 173.1)
-
Step 900
900
#314740
oklch(37.7% 0.03 172.9)
-
Step 950
950
#1D2A26
oklch(27.2% 0.019 173.9)
#40655A 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) | #63615A | 0.049 |
| Deuteranopia (no green cones) | #5C5C5B | 0.046 |
| Tritanopia (no blue cones) | #356662 | 0.015 |
| Achromatopsia (no color) | #5E5E5E | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40655A
#40655A
oklch(47.5% 0.046 173.6)
- #71525E
#71525E
oklch(47.5% 0.045 353.9)
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 #40655A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.033
- Dark Aqua #05696B ΔE 0.041
- Slate #516572 ΔE 0.047
- Dark Aquamarine #017371 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.054
- Petrol #005F6A ΔE 0.056
- Dim Gray #696969 ΔE 0.065
- Pine #2B5D34 ΔE 0.065
Use #40655A 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.