#05574D
Closest named color: Dark Blue Green (#005249). oklch(41.1% 0.072 181.5), rgb(5, 87, 77).
Aa
White text reads best on this color (8.47:1).
About this color
#05574D is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.072 and its hue 181°. 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 8.47:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #05574D |
| RGB | rgb(5, 87, 77) |
| HSL | hsl(173, 89%, 18%) |
| OKLCH | oklch(41.1% 0.072 181.5) |
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 #05574D | 8.47:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #05574D | 2.47:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #05574D text on white | 8.47:1 | AAA | Lc 88.8 | Fine for body text |
| #05574D text on black | 2.47:1 | Fails | Lc -13.4 | 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
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DEDA
oklch(88.4% 0.023 183.1)
-
Step 300
300
#A4CAC2
oklch(80.9% 0.042 181)
-
Step 400
400
#70AFA3
oklch(70.8% 0.067 180.9)
-
Step 500
500
#449B8D
oklch(63.2% 0.087 181.3)
-
Step 600
600
#1A8577
oklch(55.6% 0.094 181.5)
-
Step 700
700
#057064
oklch(49% 0.087 182)
-
Step 800
800 (this color)
#05574D
oklch(41.1% 0.072 181.5)
-
Step 900
900
#174B43
oklch(37.6% 0.056 181.1)
-
Step 950
950
#102C27
oklch(27% 0.035 180.2)
#05574D 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) | #52514D | 0.076 |
| Deuteranopia (no green cones) | #484A4E | 0.072 |
| Tritanopia (no blue cones) | #005954 | 0.011 |
| Achromatopsia (no color) | #4D4D4D | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05574D
#05574D
oklch(41.1% 0.072 181.5)
- #6A3948
#6A3948
oklch(41% 0.072 1.1)
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 #05574D, 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 0.025
- Dark Teal #014D4E ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.043
- Petrol #005F6A ΔE 0.049
- Spruce #0A5F38 ΔE 0.049
- Pine #2B5D34 ΔE 0.052
Use #05574D 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.