#40615E
Closest named color: Dark Green Blue (#1F6357). oklch(46.6% 0.039 188.8), rgb(64, 97, 94).
Aa
White text reads best on this color (6.79:1).
About this color
#40615E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.039 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.035 away. White text reads best on it, at 6.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.08:1 |
| White text | 6.79:1 |
Values
| HEX | #40615E |
| RGB | rgb(64, 97, 94) |
| HSL | hsl(175, 20%, 32%) |
| OKLCH | oklch(46.6% 0.039 188.8) |
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 #40615E | 6.79:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #40615E | 3.08:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #40615E text on white | 6.79:1 | AA | Lc 83.4 | Fine for body text |
| #40615E text on black | 3.08:1 | AA large text | Lc -18.5 | 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 700.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBDA
oklch(88.4% 0.01 189)
-
Step 300
300
#B4C5C3
oklch(81% 0.019 188.3)
-
Step 400
400
#8CA7A4
oklch(70.7% 0.03 188.3)
-
Step 500
500
#6F918E
oklch(63% 0.038 189.5)
-
Step 600
600
#577B78
oklch(55.5% 0.041 189.6)
-
Step 700
700 (this color)
#40615E
oklch(46.6% 0.039 188.8)
-
Step 800
800
#3A5552
oklch(42.7% 0.033 187.4)
-
Step 900
900
#324644
oklch(37.7% 0.025 188.5)
-
Step 950
950
#1E2928
oklch(27% 0.015 189.4)
#40615E 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) | #5E5E5E | 0.042 |
| Deuteranopia (no green cones) | #57595E | 0.038 |
| Tritanopia (no blue cones) | #356360 | 0.012 |
| Achromatopsia (no color) | #5B5B5B | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40615E
#40615E
oklch(46.6% 0.039 188.8)
- #6D5155
#6D5155
oklch(46.6% 0.038 9.1)
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 #40615E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.035
- Slate #516572 ΔE 0.041
- Dark Aqua #05696B ΔE 0.042
- Petrol #005F6A ΔE 0.048
- YInMn Blue #415A77 ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.060
- Deep Turquoise #017374 ΔE 0.060
- Dusty Grape #545775 ΔE 0.063
Use #40615E 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.