#577371
Closest named color: Dim Gray (#696969). oklch(53.3% 0.033 190.8), rgb(87, 115, 113).
Aa
White text reads best on this color (5.12:1).
About this color
#577371 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.033 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.035 away. White text reads best on it, at 5.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Dim Gray (#696969) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #577371 |
| RGB | rgb(87, 115, 113) |
| HSL | hsl(176, 14%, 40%) |
| OKLCH | oklch(53.3% 0.033 190.8) |
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 #577371 | 5.12:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #577371 | 4.09:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #577371 text on white | 5.12:1 | AA | Lc 75.3 | Fine for body text |
| #577371 text on black | 4.09:1 | AA large text | Lc -26.4 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B6C4C3
oklch(80.9% 0.015 191.7)
-
Step 400
400
#91A6A4
oklch(70.8% 0.024 189.6)
-
Step 500
500
#75908E
oklch(63.2% 0.031 190.9)
-
Step 600
600 (this color)
#577371
oklch(53.3% 0.033 190.8)
-
Step 700
700
#4D6665
oklch(49% 0.03 193.2)
-
Step 800
800
#3F5452
oklch(42.8% 0.026 189)
-
Step 900
900
#364544
oklch(37.7% 0.019 191.3)
-
Step 950
950
#202828
oklch(26.9% 0.011 196.5)
#577371 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) | #707071 | 0.035 |
| Deuteranopia (no green cones) | #6A6C71 | 0.032 |
| Tritanopia (no blue cones) | #4E7572 | 0.011 |
| Achromatopsia (no color) | #6E6E6E | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577371
#577371
oklch(53.3% 0.033 190.8)
- #7E6568
#7E6568
oklch(53.2% 0.032 10.1)
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 #577371, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.035
- Battleship Gray #6C757D ΔE 0.036
- Slate #516572 ΔE 0.045
- Metallic Blue #4F738E ΔE 0.046
- Battleship Grey #6B7C85 ΔE 0.048
- Grey Blue #647D8E ΔE 0.052
- Deep Aqua #08787F ΔE 0.057
- Bluegreen #017A79 ΔE 0.058
Use #577371 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.