#00574E
Closest named color: Dark Blue Green (#005249). oklch(41% 0.073 182.9), rgb(0, 87, 78).
Aa
White text reads best on this color (8.49:1).
About this color
#00574E is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.073 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.017 away. White text reads best on it, at 8.49:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #00574E |
| RGB | rgb(0, 87, 78) |
| HSL | hsl(174, 100%, 17%) |
| OKLCH | oklch(41% 0.073 182.9) |
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 #00574E | 8.49:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #00574E | 2.47:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #00574E text on white | 8.49:1 | AAA | Lc 88.7 | Fine for body text |
| #00574E text on black | 2.47:1 | Fails | Lc -13.5 | 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 800.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A3CAC3
oklch(80.9% 0.043 183.1)
-
Step 400
400
#6EAFA4
oklch(70.7% 0.069 182.4)
-
Step 500
500
#419B8E
oklch(63.1% 0.088 182.5)
-
Step 600
600
#148578
oklch(55.6% 0.095 182.6)
-
Step 700
700
#007065
oklch(49% 0.087 183.1)
-
Step 800
800 (this color)
#00574E
oklch(41% 0.073 182.9)
-
Step 900
900
#164B44
oklch(37.6% 0.056 182.9)
-
Step 950
950
#0F2C28
oklch(27% 0.036 183.4)
#00574E 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) | #52514E | 0.077 |
| Deuteranopia (no green cones) | #484A4F | 0.073 |
| Tritanopia (no blue cones) | #005954 | 0.010 |
| Achromatopsia (no color) | #4D4D4D | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00574E
#00574E
oklch(41% 0.073 182.9)
- #6B3847
#6B3847
oklch(41% 0.074 2.1)
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 #00574E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.017
- Deep Teal #00555A ΔE 0.024
- Dark Teal #014D4E ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.044
- Petrol #005F6A ΔE 0.048
- Spruce #0A5F38 ΔE 0.050
- Pine #2B5D34 ΔE 0.054
Use #00574E 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.