#678580
Closest named color: Steel Grey (#6F828A). oklch(59.2% 0.035 183.8), rgb(103, 133, 128).
Aa
Black text reads best on this color (5.24:1).
About this color
#678580 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.035 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.023 away. Black text reads best on it, at 5.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #678580 |
| RGB | rgb(103, 133, 128) |
| HSL | hsl(170, 13%, 46%) |
| OKLCH | oklch(59.2% 0.035 183.8) |
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 #678580 | 4.00:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #678580 | 5.24:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #678580 text on white | 4.00:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #678580 text on black | 5.24:1 | AA | Lc -34.3 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B6C4C2
oklch(80.9% 0.016 186.6)
-
Step 400
400
#90A6A2
oklch(70.7% 0.025 183.4)
-
Step 500
500
#74908B
oklch(63% 0.033 183.2)
-
Step 600
600 (this color)
#678580
oklch(59.2% 0.035 183.8)
-
Step 700
700
#4C6763
oklch(49.1% 0.033 184.9)
-
Step 800
800
#3F5450
oklch(42.7% 0.027 182)
-
Step 900
900
#354543
oklch(37.6% 0.021 186.9)
-
Step 950
950
#1F2927
oklch(27.1% 0.014 181.6)
#678580 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) | #828180 | 0.038 |
| Deuteranopia (no green cones) | #7C7D80 | 0.035 |
| Tritanopia (no blue cones) | #5F8683 | 0.010 |
| Achromatopsia (no color) | #7F7F7F | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678580
#678580
oklch(59.2% 0.035 183.8)
- #91767B
#91767B
oklch(59.3% 0.034 5.7)
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 #678580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.023
- Battleship Grey #6B7C85 ΔE 0.030
- Medium Grey #7D7F7C ΔE 0.032
- Slate Gray #708090 ΔE 0.035
- Gray #808080 ΔE 0.036
- Grey Blue #647D8E ΔE 0.037
- Steel #738595 ΔE 0.038
- Dusty Teal #4C9085 ΔE 0.039
Use #678580 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.