#57807B
Closest named color: Battleship Grey (#6B7C85). oklch(56.8% 0.046 186.4), rgb(87, 128, 123).
Aa
Black text reads best on this color (4.77:1).
About this color
#57807B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.046 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.034 away. Black text reads best on it, at 4.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #57807B |
| RGB | rgb(87, 128, 123) |
| HSL | hsl(173, 19%, 42%) |
| OKLCH | oklch(56.8% 0.046 186.4) |
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 #57807B | 4.39:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #57807B | 4.77:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #57807B text on white | 4.39:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #57807B text on black | 4.77:1 | AA | Lc -31.2 | Non-text elements, placeholder text |
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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D1DCDA
oklch(88.6% 0.012 184)
-
Step 300
300
#B2C5C3
oklch(80.8% 0.021 189.1)
-
Step 400
400
#8AA8A4
oklch(70.8% 0.034 186.5)
-
Step 500
500
#6C928D
oklch(63% 0.043 186.1)
-
Step 600
600 (this color)
#57807B
oklch(56.8% 0.046 186.4)
-
Step 700
700
#446964
oklch(49.1% 0.043 185.3)
-
Step 800
800
#385652
oklch(42.8% 0.036 185.5)
-
Step 900
900
#314744
oklch(37.9% 0.028 185.6)
-
Step 950
950
#1D2928
oklch(26.9% 0.017 189.9)
#57807B 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) | #7C7C7B | 0.049 |
| Deuteranopia (no green cones) | #74767C | 0.046 |
| Tritanopia (no blue cones) | #4A827E | 0.014 |
| Achromatopsia (no color) | #787878 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57807B
#57807B
oklch(56.8% 0.046 186.4)
- #8F6C72
#8F6C72
oklch(56.8% 0.045 7.2)
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 #57807B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.034
- Grey Blue #647D8E ΔE 0.039
- Steel Grey #6F828A ΔE 0.040
- Battleship Gray #6C757D ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.045
- Slate Gray #708090 ΔE 0.048
- Medium Grey #7D7F7C ΔE 0.050
- Teal #008080 ΔE 0.054
Use #57807B 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.