#057B73
Closest named color: Bluegreen (#017A79). oklch(52.5% 0.091 186.8), rgb(5, 123, 115).
Aa
White text reads best on this color (5.13:1).
About this color
#057B73 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.091 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.011 away. White text reads best on it, at 5.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.08:1 |
| White text | 5.13:1 |
Values
| HEX | #057B73 |
| RGB | rgb(5, 123, 115) |
| HSL | hsl(176, 92%, 25%) |
| OKLCH | oklch(52.5% 0.091 186.8) |
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 #057B73 | 5.13:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #057B73 | 4.08:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #057B73 text on white | 5.13:1 | AA | Lc 74.9 | Content text, not long reading |
| #057B73 text on black | 4.08:1 | AA large text | Lc -26.8 | Dividers and decoration only |
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 600.
-
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
#A4CAC5
oklch(81% 0.041 186.6)
-
Step 400
400
#70AEA7
oklch(70.7% 0.065 186.8)
-
Step 500
500
#449A92
oklch(63.1% 0.084 187.1)
-
Step 600
600 (this color)
#057B73
oklch(52.5% 0.091 186.8)
-
Step 700
700
#067069
oklch(49.2% 0.084 187.2)
-
Step 800
800
#0F5B55
oklch(42.7% 0.07 186.7)
-
Step 900
900
#174B46
oklch(37.7% 0.055 186.2)
-
Step 950
950
#102C29
oklch(27% 0.034 186.1)
#057B73 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) | #747373 | 0.097 |
| Deuteranopia (no green cones) | #666974 | 0.092 |
| Tritanopia (no blue cones) | #007E78 | 0.010 |
| Achromatopsia (no color) | #6D6D6D | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #057B73
#057B73
oklch(52.5% 0.091 186.8)
- #965361
#965361
oklch(52.5% 0.09 7.3)
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 #057B73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.011
- Teal #008080 ΔE 0.022
- Deep Aqua #08787F ΔE 0.024
- Dark Aquamarine #017371 ΔE 0.025
- Deep Turquoise #017374 ΔE 0.026
- Ocean #017B92 ΔE 0.050
- Dark Cyan #008B8B ΔE 0.053
- Dark Aqua #05696B ΔE 0.056
Use #057B73 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.