#063F37
Closest named color: Evergreen (#05472A). oklch(33.1% 0.057 180.5), rgb(6, 63, 55).
Aa
White text reads best on this color (11.83:1).
About this color
#063F37 is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.057 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.041 away. White text reads best on it, at 11.83:1.
| Hue family | Teals and cyans |
| Lightness | dark (33%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.77:1 |
| White text | 11.83:1 |
Values
| HEX | #063F37 |
| RGB | rgb(6, 63, 55) |
| HSL | hsl(172, 83%, 14%) |
| OKLCH | oklch(33.1% 0.057 180.5) |
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 #063F37 | 11.83:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #063F37 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #063F37 text on white | 11.83:1 | AAA | Lc 96.8 | Preferred for body text |
| #063F37 text on black | 1.77:1 | Fails | Lc 0.0 | Not readable |
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 900.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A4CAC2
oklch(80.9% 0.042 181)
-
Step 400
400
#6FAFA2
oklch(70.7% 0.069 179.9)
-
Step 500
500
#449B8C
oklch(63.2% 0.087 180.4)
-
Step 600
600
#198576
oklch(55.6% 0.094 180.7)
-
Step 700
700
#047163
oklch(49.2% 0.088 180.2)
-
Step 800
800
#0E5C51
oklch(42.8% 0.073 180.5)
-
Step 900
900 (this color)
#063F37
oklch(33.1% 0.057 180.5)
-
Step 950
950
#102C27
oklch(27% 0.035 180.2)
#063F37 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) | #3C3B37 | 0.060 |
| Deuteranopia (no green cones) | #343538 | 0.057 |
| Tritanopia (no blue cones) | #00403D | 0.010 |
| Achromatopsia (no color) | #373737 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #063F37
#063F37
oklch(33.1% 0.057 180.5)
- #4D2934
#4D2934
oklch(33.1% 0.056 0.9)
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 #063F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.041
- Midnight Green #073B4C ΔE 0.045
- Pakistan Green #283618 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.051
- Dark Teal #014D4E ΔE 0.053
- Onyx #343A40 ΔE 0.055
- Pine Green #0A481E ΔE 0.058
- Charcoal #264653 ΔE 0.060
Use #063F37 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.