#577379
Closest named color: Battleship Gray (#6C757D). oklch(53.6% 0.034 212.3), rgb(87, 115, 121).
Aa
White text reads best on this color (5.08:1).
About this color
#577379 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.034 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.031 away. White text reads best on it, at 5.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.13:1 |
| White text | 5.08:1 |
Values
| HEX | #577379 |
| RGB | rgb(87, 115, 121) |
| HSL | hsl(191, 16%, 41%) |
| OKLCH | oklch(53.6% 0.034 212.3) |
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 #577379 | 5.08:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #577379 | 4.13:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #577379 text on white | 5.08:1 | AA | Lc 75.1 | Fine for body text |
| #577379 text on black | 4.13:1 | AA large text | Lc -26.7 | 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
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D3DBDC
oklch(88.6% 0.009 205.9)
-
Step 300
300
#B6C3C6
oklch(80.8% 0.015 213.1)
-
Step 400
400
#90A5A9
oklch(70.7% 0.024 210.4)
-
Step 500
500
#748F95
oklch(63.1% 0.032 212.7)
-
Step 600
600 (this color)
#577379
oklch(53.6% 0.034 212.3)
-
Step 700
700
#4C666B
oklch(49.1% 0.032 210.7)
-
Step 800
800
#3F5357
oklch(42.7% 0.026 211.2)
-
Step 900
900
#354548
oklch(37.8% 0.021 210.3)
-
Step 950
950
#1F282A
oklch(26.9% 0.013 212.7)
#577379 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) | #6E7179 | 0.032 |
| Deuteranopia (no green cones) | #686C79 | 0.030 |
| Tritanopia (no blue cones) | #4C7675 | 0.018 |
| Achromatopsia (no color) | #6E6E6E | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577379
#577379
oklch(53.6% 0.034 212.3)
- #806761
#806761
oklch(53.7% 0.034 33.8)
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 #577379, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.031
- Metallic Blue #4F738E ΔE 0.034
- Dim Gray #696969 ΔE 0.037
- Battleship Grey #6B7C85 ΔE 0.042
- Slate #516572 ΔE 0.043
- Grey Blue #647D8E ΔE 0.044
- Stormy Blue #507B9C ΔE 0.053
- Dull Blue #49759C ΔE 0.055
Use #577379 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.