#063E37
Closest named color: Midnight Green (#073B4C). oklch(32.8% 0.056 182), rgb(6, 62, 55).
Aa
White text reads best on this color (11.98:1).
About this color
#063E37 is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.056 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.043 away. White text reads best on it, at 11.98:1.
| Hue family | Teals and cyans |
| Lightness | dark (33%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.75:1 |
| White text | 11.98:1 |
Values
| HEX | #063E37 |
| RGB | rgb(6, 62, 55) |
| HSL | hsl(173, 82%, 13%) |
| OKLCH | oklch(32.8% 0.056 182) |
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 #063E37 | 11.98:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #063E37 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #063E37 text on white | 11.98:1 | AAA | Lc 97.1 | Preferred for body text |
| #063E37 text on black | 1.75:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DEDA
oklch(88.4% 0.023 183.1)
-
Step 300
300
#A4CAC2
oklch(80.9% 0.042 181)
-
Step 400
400
#70AFA4
oklch(70.8% 0.067 182.1)
-
Step 500
500
#459A8D
oklch(63% 0.085 182.1)
-
Step 600
600
#1C8577
oklch(55.7% 0.093 181.5)
-
Step 700
700
#087064
oklch(49% 0.086 181.9)
-
Step 800
800
#105C52
oklch(42.9% 0.072 181.6)
-
Step 900
900 (this color)
#063E37
oklch(32.8% 0.056 182)
-
Step 950
950
#102C28
oklch(27% 0.035 183.1)
#063E37 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) | #3B3A37 | 0.059 |
| Deuteranopia (no green cones) | #333438 | 0.056 |
| Tritanopia (no blue cones) | #003F3C | 0.008 |
| Achromatopsia (no color) | #373737 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #063E37
#063E37
oklch(32.8% 0.056 182)
- #4C2833
#4C2833
oklch(32.8% 0.056 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 #063E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.043
- Evergreen #05472A ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.050
- Pakistan Green #283618 ΔE 0.051
- Onyx #343A40 ΔE 0.054
- Dark Teal #014D4E ΔE 0.056
- Gunmetal #293241 ΔE 0.059
- Pine Green #0A481E ΔE 0.061
Use #063E37 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.