#033437
Closest named color: Midnight Green (#073B4C). oklch(29.7% 0.049 201.3), rgb(3, 52, 55).
Aa
White text reads best on this color (13.54:1).
About this color
#033437 is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.049 and its hue 201°. 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 13.54:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.55:1 |
| White text | 13.54:1 |
Values
| HEX | #033437 |
| RGB | rgb(3, 52, 55) |
| HSL | hsl(183, 90%, 11%) |
| OKLCH | oklch(29.7% 0.049 201.3) |
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 #033437 | 13.54:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #033437 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #033437 text on white | 13.54:1 | AAA | Lc 99.7 | Preferred for body text |
| #033437 text on black | 1.55:1 | 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 950.
-
Step 50
50
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DEEDEE
oklch(93.5% 0.016 201.7)
-
Step 200
200
#C2E0E2
oklch(88.5% 0.032 201.5)
-
Step 300
300
#95CCD0
oklch(80.9% 0.057 201.7)
-
Step 400
400
#4FB2B8
oklch(70.7% 0.092 200.7)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005A5F
oklch(42.5% 0.072 201.4)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950 (this color)
#033437
oklch(29.7% 0.049 201.3)
#033437 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) | #2F3137 | 0.049 |
| Deuteranopia (no green cones) | #282C37 | 0.045 |
| Tritanopia (no blue cones) | #003635 | 0.009 |
| Achromatopsia (no color) | #2E2E2E | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033437
#033437
oklch(29.7% 0.049 201.3)
- #422322
#422322
oklch(29.7% 0.048 22.3)
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 #033437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.041
- Gunmetal #293241 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.052
- Oxford Blue #1B263B ΔE 0.054
- Jet #212529 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.056
- Dark #1B2431 ΔE 0.056
- Pakistan Green #283618 ΔE 0.061
Use #033437 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.