#003E50
Closest named color: Midnight Green (#073B4C). oklch(33.8% 0.064 224.6), rgb(0, 62, 80).
Aa
White text reads best on this color (11.63:1).
About this color
#003E50 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.064 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.011 away. White text reads best on it, at 11.63:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.80:1 |
| White text | 11.63:1 |
Values
| HEX | #003E50 |
| RGB | rgb(0, 62, 80) |
| HSL | hsl(194, 100%, 16%) |
| OKLCH | oklch(33.8% 0.064 224.6) |
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 #003E50 | 11.63:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #003E50 | 1.80:1 | Fails | Lc 7.6 | Not readable |
| #003E50 text on white | 11.63:1 | AAA | Lc 96.3 | Preferred for body text |
| #003E50 text on black | 1.80:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C7DDE6
oklch(88.4% 0.027 224.3)
-
Step 300
300
#A0C8D8
oklch(80.9% 0.048 224.2)
-
Step 400
400
#69ABC4
oklch(70.6% 0.076 224.2)
-
Step 500
500
#3996B6
oklch(63.2% 0.098 224.6)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900 (this color)
#003E50
oklch(33.8% 0.064 224.6)
-
Step 950
950
#0C2B35
oklch(27.1% 0.04 222.7)
#003E50 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) | #343C51 | 0.049 |
| Deuteranopia (no green cones) | #2A3550 | 0.043 |
| Tritanopia (no blue cones) | #004344 | 0.031 |
| Achromatopsia (no color) | #393939 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003E50
#003E50
oklch(33.8% 0.064 224.6)
- #522C1A
#522C1A
oklch(33.8% 0.063 45.3)
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 #003E50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.011
- Dark Blue Grey #1F3B4D ΔE 0.022
- Prussian Blue #1D3557 ΔE 0.039
- Charcoal #264653 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.048
- Gunmetal #293241 ΔE 0.049
- Onyx #343A40 ΔE 0.052
- Dark Teal #014D4E ΔE 0.053
Use #003E50 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.