#415E57
Closest named color: Dark Green Blue (#1F6357). oklch(45.7% 0.036 177.9), rgb(65, 94, 87).
Aa
White text reads best on this color (7.08:1).
About this color
#415E57 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.036 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.034 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 | Dark Green Blue (#1F6357) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #415E57 |
| RGB | rgb(65, 94, 87) |
| HSL | hsl(166, 18%, 31%) |
| OKLCH | oklch(45.7% 0.036 177.9) |
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 #415E57 | 7.08:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #415E57 | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #415E57 text on white | 7.08:1 | AAA | Lc 84.5 | Fine for body text |
| #415E57 text on black | 2.96:1 | Fails | Lc -17.4 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D1DCD9
oklch(88.5% 0.013 178)
-
Step 300
300
#B3C5C0
oklch(80.8% 0.021 177.3)
-
Step 400
400
#8BA8A0
oklch(70.7% 0.034 176.7)
-
Step 500
500
#6D9289
oklch(63% 0.043 178.2)
-
Step 600
600
#557D73
oklch(55.7% 0.047 177.1)
-
Step 700
700
#456961
oklch(49.1% 0.043 178.9)
-
Step 800
800 (this color)
#415E57
oklch(45.7% 0.036 177.9)
-
Step 900
900
#314741
oklch(37.8% 0.029 175.9)
-
Step 950
950
#1D2926
oklch(26.9% 0.017 177.9)
#415E57 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) | #5C5B57 | 0.039 |
| Deuteranopia (no green cones) | #565758 | 0.036 |
| Tritanopia (no blue cones) | #395F5C | 0.011 |
| Achromatopsia (no color) | #585858 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #415E57
#415E57
oklch(45.7% 0.036 177.9)
- #684F57
#684F57
oklch(45.6% 0.036 357.6)
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 #415E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.034
- Dark Aqua #05696B ΔE 0.049
- Petrol #005F6A ΔE 0.050
- Slate #516572 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.055
- YInMn Blue #415A77 ΔE 0.059
- Deep Teal #00555A ΔE 0.062
- Pine #2B5D34 ΔE 0.063
Use #415E57 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.