#507B7D
Closest named color: Battleship Grey (#6B7C85). oklch(55.2% 0.048 199.6), rgb(80, 123, 125).
Aa
White text reads best on this color (4.69:1).
About this color
#507B7D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.048 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.038 away. White text reads best on it, at 4.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #507B7D |
| RGB | rgb(80, 123, 125) |
| HSL | hsl(183, 22%, 40%) |
| OKLCH | oklch(55.2% 0.048 199.6) |
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 #507B7D | 4.69:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #507B7D | 4.47:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #507B7D text on white | 4.69:1 | AA | Lc 72.6 | Content text, not long reading |
| #507B7D text on black | 4.47:1 | AA large text | Lc -29.1 | 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
#D1DCDC
oklch(88.6% 0.012 196.9)
-
Step 300
300
#B1C5C6
oklch(80.9% 0.022 200.4)
-
Step 400
400
#88A7A9
oklch(70.6% 0.034 201.3)
-
Step 500
500
#6A9294
oklch(63.1% 0.044 200)
-
Step 600
600 (this color)
#507B7D
oklch(55.2% 0.048 199.6)
-
Step 700
700
#41696A
oklch(49.2% 0.045 197.8)
-
Step 800
800
#365557
oklch(42.6% 0.037 201)
-
Step 900
900
#2F4647
oklch(37.6% 0.029 199.4)
-
Step 950
950
#1C292A
oklch(26.9% 0.018 202.1)
#507B7D 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) | #75777D | 0.049 |
| Deuteranopia (no green cones) | #6D717D | 0.045 |
| Tritanopia (no blue cones) | #3E7E7B | 0.020 |
| Achromatopsia (no color) | #747474 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507B7D
#507B7D
oklch(55.2% 0.048 199.6)
- #8C6767
#8C6767
oklch(55.1% 0.048 18.7)
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 #507B7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.038
- Grey Blue #647D8E ΔE 0.038
- Battleship Gray #6C757D ΔE 0.038
- Metallic Blue #4F738E ΔE 0.042
- Teal #008080 ΔE 0.046
- Stormy Blue #507B9C ΔE 0.050
- Steel Grey #6F828A ΔE 0.050
- Deep Aqua #08787F ΔE 0.050
Use #507B7D 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.