#4F8580
Closest named color: Dusty Teal (#4C9085). oklch(57.8% 0.058 188.1), rgb(79, 133, 128).
Aa
Black text reads best on this color (4.99:1).
About this color
#4F8580 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.058 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.031 away. Black text reads best on it, at 4.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #4F8580 |
| RGB | rgb(79, 133, 128) |
| HSL | hsl(174, 25%, 42%) |
| OKLCH | oklch(57.8% 0.058 188.1) |
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 #4F8580 | 4.20:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #4F8580 | 4.99:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #4F8580 text on white | 4.20:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #4F8580 text on black | 4.99:1 | AA | Lc -32.8 | 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
#E4EBEB
oklch(93.5% 0.007 197)
-
Step 200
200
#CFDCDB
oklch(88.4% 0.014 191.4)
-
Step 300
300
#AEC6C4
oklch(80.8% 0.026 190.5)
-
Step 400
400
#83A9A5
oklch(70.6% 0.042 188.3)
-
Step 500
500
#63948F
oklch(63% 0.053 187.9)
-
Step 600
600 (this color)
#4F8580
oklch(57.8% 0.058 188.1)
-
Step 700
700
#3A6B66
oklch(49.2% 0.054 187.1)
-
Step 800
800
#305754
oklch(42.7% 0.045 189.3)
-
Step 900
900
#2B4845
oklch(37.8% 0.035 187.5)
-
Step 950
950
#1A2A28
oklch(27% 0.022 186.2)
#4F8580 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) | #808080 | 0.062 |
| Deuteranopia (no green cones) | #767981 | 0.058 |
| Tritanopia (no blue cones) | #398783 | 0.019 |
| Achromatopsia (no color) | #7C7C7C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F8580
#4F8580
oklch(57.8% 0.058 188.1)
- #986B73
#986B73
oklch(57.6% 0.058 7.3)
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 #4F8580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.031
- Dark Cyan #008B8B ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.044
- Steel Grey #6F828A ΔE 0.044
- Grey Blue #647D8E ΔE 0.045
- Slate Green #658D6D ΔE 0.049
- Teal #008080 ΔE 0.050
- Teal Green #0A9396 ΔE 0.051
Use #4F8580 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.