#51867F
Closest named color: Dusty Teal (#4C9085). oklch(58.1% 0.058 185.1), rgb(81, 134, 127).
Aa
Black text reads best on this color (5.06:1).
About this color
#51867F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.058 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.028 away. Black text reads best on it, at 5.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #51867F |
| RGB | rgb(81, 134, 127) |
| HSL | hsl(172, 25%, 42%) |
| OKLCH | oklch(58.1% 0.058 185.1) |
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 #51867F | 4.14:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #51867F | 5.06:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #51867F text on white | 4.14:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #51867F text on black | 5.06:1 | AA | Lc -33.2 | Non-text elements, placeholder text |
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
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#CFDCDA
oklch(88.4% 0.014 185.9)
-
Step 300
300
#AFC6C3
oklch(80.8% 0.025 187.2)
-
Step 400
400
#84A9A4
oklch(70.6% 0.041 186.1)
-
Step 500
500
#64948E
oklch(63% 0.053 186.1)
-
Step 600
600 (this color)
#51867F
oklch(58.1% 0.058 185.1)
-
Step 700
700
#3B6B65
oklch(49.2% 0.053 185.3)
-
Step 800
800
#315752
oklch(42.7% 0.044 185)
-
Step 900
900
#2C4844
oklch(37.8% 0.035 184.5)
-
Step 950
950
#1A2A28
oklch(27% 0.022 186.2)
#51867F 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) | #81817F | 0.061 |
| Deuteranopia (no green cones) | #787A80 | 0.058 |
| Tritanopia (no blue cones) | #3D8884 | 0.018 |
| Achromatopsia (no color) | #7D7D7D | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51867F
#51867F
oklch(58.1% 0.058 185.1)
- #996C76
#996C76
oklch(58% 0.059 4.4)
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 #51867F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.028
- Dark Cyan #008B8B ΔE 0.043
- Steel Grey #6F828A ΔE 0.044
- Slate Green #658D6D ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.045
- Grey Blue #647D8E ΔE 0.047
- Teal Green #0A9396 ΔE 0.051
- Teal #008080 ΔE 0.053
Use #51867F 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.