#033F44
Closest named color: Midnight Green (#073B4C). oklch(33.6% 0.056 203.9), rgb(3, 63, 68).
Aa
White text reads best on this color (11.67:1).
About this color
#033F44 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.056 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.023 away. White text reads best on it, at 11.67:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.79:1 |
| White text | 11.67:1 |
Values
| HEX | #033F44 |
| RGB | rgb(3, 63, 68) |
| HSL | hsl(185, 92%, 14%) |
| OKLCH | oklch(33.6% 0.056 203.9) |
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 #033F44 | 11.67:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #033F44 | 1.79:1 | Fails | Lc 7.4 | Not readable |
| #033F44 text on white | 11.67:1 | AAA | Lc 96.5 | Preferred for body text |
| #033F44 text on black | 1.79:1 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C8DEE0
oklch(88.5% 0.024 203.4)
-
Step 300
300
#A2C9CD
oklch(80.9% 0.042 204.1)
-
Step 400
400
#6CADB4
oklch(70.7% 0.067 204.5)
-
Step 500
500
#3E99A1
oklch(63.2% 0.086 203.3)
-
Step 600
600
#0A838C
oklch(55.7% 0.093 203.5)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#045A61
oklch(42.7% 0.072 204.2)
-
Step 900
900 (this color)
#033F44
oklch(33.6% 0.056 203.9)
-
Step 950
950
#0E2B2E
oklch(26.9% 0.035 204.5)
#033F44 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) | #393C44 | 0.055 |
| Deuteranopia (no green cones) | #303644 | 0.050 |
| Tritanopia (no blue cones) | #004240 | 0.014 |
| Achromatopsia (no color) | #383838 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033F44
#033F44
oklch(33.6% 0.056 203.9)
- #502B29
#502B29
oklch(33.6% 0.055 23.7)
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 #033F44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.032
- Charcoal #264653 ΔE 0.045
- Dark Teal #014D4E ΔE 0.047
- Onyx #343A40 ΔE 0.048
- Gunmetal #293241 ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.057
Use #033F44 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.