#004D41
Closest named color: Dark Blue Green (#005249). oklch(37.6% 0.069 177.7), rgb(0, 77, 65).
Aa
White text reads best on this color (9.82:1).
About this color
#004D41 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.069 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.019 away. White text reads best on it, at 9.82:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #004D41 |
| RGB | rgb(0, 77, 65) |
| HSL | hsl(171, 100%, 15%) |
| OKLCH | oklch(37.6% 0.069 177.7) |
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 #004D41 | 9.82:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #004D41 | 2.13:1 | Fails | Lc 11.6 | Not readable |
| #004D41 text on white | 9.82:1 | AAA | Lc 92.3 | Preferred for body text |
| #004D41 text on black | 2.13:1 | Fails | Lc -10.1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C6E0D9
oklch(88.6% 0.029 177.6)
-
Step 300
300
#9DCCC0
oklch(80.9% 0.052 177.5)
-
Step 400
400
#62B2A0
oklch(70.7% 0.084 177.5)
-
Step 500
500
#279E89
oklch(63% 0.106 177.8)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900 (this color)
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#072D26
oklch(26.9% 0.044 177.8)
#004D41 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) | #494740 | 0.072 |
| Deuteranopia (no green cones) | #404142 | 0.069 |
| Tritanopia (no blue cones) | #004E49 | 0.013 |
| Achromatopsia (no color) | #434343 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004D41
#004D41
oklch(37.6% 0.069 177.7)
- #5E3141
#5E3141
oklch(37.6% 0.068 358.2)
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 #004D41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.019
- Dark Teal #014D4E ΔE 0.023
- Evergreen #05472A ΔE 0.037
- Deep Teal #00555A ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.045
- Pine Green #0A481E ΔE 0.051
- Charcoal #264653 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.064
Use #004D41 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.