#51736D
Closest named color: Dim Gray (#696969). oklch(52.8% 0.04 182.6), rgb(81, 115, 109).
Aa
White text reads best on this color (5.22:1).
About this color
#51736D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.040 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.041 away. White text reads best on it, at 5.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dim Gray (#696969) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #51736D |
| RGB | rgb(81, 115, 109) |
| HSL | hsl(169, 17%, 38%) |
| OKLCH | oklch(52.8% 0.04 182.6) |
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 #51736D | 5.22:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #51736D | 4.02:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #51736D text on white | 5.22:1 | AA | Lc 75.9 | Fine for body text |
| #51736D text on black | 4.02:1 | AA large text | Lc -25.9 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBD9
oklch(88.4% 0.01 181.4)
-
Step 300
300
#B5C5C1
oklch(81% 0.018 179.2)
-
Step 400
400
#8EA7A2
oklch(70.8% 0.029 182)
-
Step 500
500
#71918B
oklch(63.1% 0.037 182.4)
-
Step 600
600 (this color)
#51736D
oklch(52.8% 0.04 182.6)
-
Step 700
700
#496862
oklch(49.1% 0.037 181.4)
-
Step 800
800
#3C5550
oklch(42.8% 0.031 181)
-
Step 900
900
#334643
oklch(37.7% 0.025 184.3)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#51736D 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) | #706F6D | 0.043 |
| Deuteranopia (no green cones) | #6A6B6E | 0.040 |
| Tritanopia (no blue cones) | #477471 | 0.012 |
| Achromatopsia (no color) | #6C6C6C | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51736D
#51736D
oklch(52.8% 0.04 182.6)
- #806269
#806269
oklch(52.9% 0.04 3)
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 #51736D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.041
- Battleship Gray #6C757D ΔE 0.046
- Slate #516572 ΔE 0.047
- Bluegreen #017A79 ΔE 0.051
- Deep Aqua #08787F ΔE 0.052
- Metallic Blue #4F738E ΔE 0.053
- Deep Turquoise #017374 ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.053
Use #51736D 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.