#5F8580
Closest named color: Steel Grey (#6F828A). oklch(58.7% 0.043 185.9), rgb(95, 133, 128).
Aa
Black text reads best on this color (5.15:1).
About this color
#5F8580 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.043 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.029 away. Black text reads best on it, at 5.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #5F8580 |
| RGB | rgb(95, 133, 128) |
| HSL | hsl(172, 17%, 45%) |
| OKLCH | oklch(58.7% 0.043 185.9) |
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 #5F8580 | 4.07:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #5F8580 | 5.15:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #5F8580 text on white | 4.07:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #5F8580 text on black | 5.15:1 | AA | Lc -33.7 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBDA
oklch(88.4% 0.01 189)
-
Step 300
300
#B3C5C2
oklch(80.9% 0.02 184.8)
-
Step 400
400
#8CA7A3
oklch(70.7% 0.03 185.6)
-
Step 500
500
#6F928D
oklch(63.2% 0.04 185.4)
-
Step 600
600 (this color)
#5F8580
oklch(58.7% 0.043 185.9)
-
Step 700
700
#466864
oklch(49% 0.04 186.8)
-
Step 800
800
#3A5552
oklch(42.7% 0.033 187.4)
-
Step 900
900
#324644
oklch(37.7% 0.025 188.5)
-
Step 950
950
#1D2928
oklch(26.9% 0.017 189.9)
#5F8580 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) | #818180 | 0.046 |
| Deuteranopia (no green cones) | #7A7C81 | 0.043 |
| Tritanopia (no blue cones) | #538783 | 0.013 |
| Achromatopsia (no color) | #7E7E7E | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F8580
#5F8580
oklch(58.7% 0.043 185.9)
- #947278
#947278
oklch(58.7% 0.044 6.7)
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 #5F8580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.029
- Battleship Grey #6B7C85 ΔE 0.033
- Dusty Teal #4C9085 ΔE 0.034
- Grey Blue #647D8E ΔE 0.038
- Slate Gray #708090 ΔE 0.040
- Medium Grey #7D7F7C ΔE 0.041
- Slate Green #658D6D ΔE 0.043
- Steel #738595 ΔE 0.044
Use #5F8580 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.