#003E4E
Closest named color: Midnight Green (#073B4C). oklch(33.7% 0.062 221.8), rgb(0, 62, 78).
Aa
White text reads best on this color (11.67:1).
About this color
#003E4E is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.062 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.010 away. White text reads best on it, at 11.67:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.79:1 |
| White text | 11.67:1 |
Values
| HEX | #003E4E |
| RGB | rgb(0, 62, 78) |
| HSL | hsl(192, 100%, 15%) |
| OKLCH | oklch(33.7% 0.062 221.8) |
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 #003E4E | 11.67:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #003E4E | 1.79:1 | Fails | Lc 7.5 | Not readable |
| #003E4E text on white | 11.67:1 | AAA | Lc 96.4 | Preferred for body text |
| #003E4E 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE5
oklch(88.4% 0.025 222.6)
-
Step 300
300
#A0C8D6
oklch(80.9% 0.047 221.2)
-
Step 400
400
#6AABC2
oklch(70.6% 0.074 222.6)
-
Step 500
500
#3A96B3
oklch(63.1% 0.096 222.4)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900 (this color)
#003E4E
oklch(33.7% 0.062 221.8)
-
Step 950
950
#0C2B34
oklch(27.1% 0.04 220.3)
#003E4E 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) | #353C4F | 0.051 |
| Deuteranopia (no green cones) | #2B354E | 0.045 |
| Tritanopia (no blue cones) | #004343 | 0.030 |
| Achromatopsia (no color) | #383838 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003E4E
#003E4E
oklch(33.7% 0.062 221.8)
- #522B1C
#522B1C
oklch(33.7% 0.063 41.5)
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 #003E4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.010
- Dark Blue Grey #1F3B4D ΔE 0.022
- Prussian Blue #1D3557 ΔE 0.041
- Charcoal #264653 ΔE 0.042
- Gunmetal #293241 ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.049
- Onyx #343A40 ΔE 0.051
- Dark Teal #014D4E ΔE 0.052
Use #003E4E 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.