#507D79
Closest named color: Battleship Grey (#6B7C85). oklch(55.6% 0.05 188.7), rgb(80, 125, 121).
Aa
White text reads best on this color (4.61:1).
About this color
#507D79 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.050 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.041 away. White text reads best on it, at 4.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #507D79 |
| RGB | rgb(80, 125, 121) |
| HSL | hsl(175, 22%, 40%) |
| OKLCH | oklch(55.6% 0.05 188.7) |
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 #507D79 | 4.61:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #507D79 | 4.55:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #507D79 text on white | 4.61:1 | AA | Lc 72.0 | Content text, not long reading |
| #507D79 text on black | 4.55:1 | AA | Lc -29.7 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B1C6C3
oklch(81% 0.023 186.4)
-
Step 400
400
#88A8A5
oklch(70.7% 0.035 189.4)
-
Step 500
500
#69938F
oklch(63.1% 0.046 188.7)
-
Step 600
600 (this color)
#507D79
oklch(55.6% 0.05 188.7)
-
Step 700
700
#406966
oklch(49% 0.046 189.8)
-
Step 800
800
#365653
oklch(42.7% 0.038 188.4)
-
Step 900
900
#2F4745
oklch(37.8% 0.03 189.4)
-
Step 950
950
#1C2A28
oklch(27.2% 0.019 185.2)
#507D79 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) | #787879 | 0.053 |
| Deuteranopia (no green cones) | #70727A | 0.051 |
| Tritanopia (no blue cones) | #407F7C | 0.016 |
| Achromatopsia (no color) | #757575 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507D79
#507D79
oklch(55.6% 0.05 188.7)
- #8E676D
#8E676D
oklch(55.5% 0.051 8.6)
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 #507D79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.041
- Battleship Gray #6C757D ΔE 0.043
- Grey Blue #647D8E ΔE 0.043
- Teal #008080 ΔE 0.045
- Steel Grey #6F828A ΔE 0.051
- Bluegreen #017A79 ΔE 0.051
- Metallic Blue #4F738E ΔE 0.052
- Deep Aqua #08787F ΔE 0.053
Use #507D79 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.