#04564F
Closest named color: Dark Blue Green (#005249). oklch(40.8% 0.07 185.2), rgb(4, 86, 79).
Aa
White text reads best on this color (8.57:1).
About this color
#04564F is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.070 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.015 away. White text reads best on it, at 8.57:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.44:1 |
| White text | 8.57:1 |
Values
| HEX | #04564F |
| RGB | rgb(4, 86, 79) |
| HSL | hsl(175, 91%, 18%) |
| OKLCH | oklch(40.8% 0.07 185.2) |
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 #04564F | 8.57:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #04564F | 2.44:1 | Fails | Lc 15.0 | Not readable |
| #04564F text on white | 8.57:1 | AAA | Lc 89.0 | Fine for body text |
| #04564F text on black | 2.44:1 | Fails | Lc -13.2 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEB
oklch(93.7% 0.012 184.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300
#A4CAC4
oklch(81% 0.041 184.7)
-
Step 400
400
#70AEA6
oklch(70.6% 0.065 185.6)
-
Step 500
500
#449A90
oklch(63.1% 0.084 185.1)
-
Step 600
600
#1A847B
oklch(55.5% 0.091 186.1)
-
Step 700
700
#057067
oklch(49.1% 0.085 185.1)
-
Step 800
800 (this color)
#04564F
oklch(40.8% 0.07 185.2)
-
Step 900
900
#174B45
oklch(37.7% 0.055 184.5)
-
Step 950
950
#102C29
oklch(27% 0.034 186.1)
#04564F 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) | #51504F | 0.075 |
| Deuteranopia (no green cones) | #474950 | 0.071 |
| Tritanopia (no blue cones) | #005854 | 0.009 |
| Achromatopsia (no color) | #4C4C4C | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04564F
#04564F
oklch(40.8% 0.07 185.2)
- #6A3944
#6A3944
oklch(40.9% 0.07 6.3)
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 #04564F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.015
- Deep Teal #00555A ΔE 0.020
- Dark Teal #014D4E ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.034
- Dark Green Blue #1F6357 ΔE 0.046
- Petrol #005F6A ΔE 0.047
- Spruce #0A5F38 ΔE 0.054
- Pine #2B5D34 ΔE 0.057
Use #04564F 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.