#033D37
Closest named color: Midnight Green (#073B4C). oklch(32.4% 0.056 183.9), rgb(3, 61, 55).
Aa
White text reads best on this color (12.16:1).
About this color
#033D37 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.056 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.041 away. White text reads best on it, at 12.16:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.72:1 |
| White text | 12.16:1 |
Values
| HEX | #033D37 |
| RGB | rgb(3, 61, 55) |
| HSL | hsl(174, 91%, 13%) |
| OKLCH | oklch(32.4% 0.056 183.9) |
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 #033D37 | 12.16:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #033D37 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #033D37 text on white | 12.16:1 | AAA | Lc 97.4 | Preferred for body text |
| #033D37 text on black | 1.72:1 | 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
#E2EDEB
oklch(93.7% 0.012 184.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300
#A3CAC3
oklch(80.9% 0.043 183.1)
-
Step 400
400
#6FAFA5
oklch(70.8% 0.068 183.4)
-
Step 500
500
#439A8F
oklch(63% 0.085 184.1)
-
Step 600
600
#188579
oklch(55.7% 0.093 183.4)
-
Step 700
700
#027066
oklch(49% 0.086 184.1)
-
Step 800
800
#0D5C53
oklch(42.8% 0.072 183)
-
Step 900
900 (this color)
#033D37
oklch(32.4% 0.056 183.9)
-
Step 950
950
#0F2C28
oklch(27% 0.036 183.4)
#033D37 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) | #393937 | 0.059 |
| Deuteranopia (no green cones) | #323338 | 0.057 |
| Tritanopia (no blue cones) | #003F3B | 0.008 |
| Achromatopsia (no color) | #363636 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033D37
#033D37
oklch(32.4% 0.056 183.9)
- #4B2731
#4B2731
oklch(32.4% 0.055 2.8)
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 #033D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.041
- Evergreen #05472A ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.050
- Pakistan Green #283618 ΔE 0.051
- Onyx #343A40 ΔE 0.056
- Gunmetal #293241 ΔE 0.058
- Dark Teal #014D4E ΔE 0.059
- Charcoal #264653 ΔE 0.063
Use #033D37 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.