#59858C
Closest named color: Steel Grey (#6F828A). oklch(58.7% 0.049 208.4), rgb(89, 133, 140).
Aa
Black text reads best on this color (5.15:1).
About this color
#59858C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.049 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.027 away. Black text reads best on it, at 5.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #59858C |
| RGB | rgb(89, 133, 140) |
| HSL | hsl(188, 22%, 45%) |
| OKLCH | oklch(58.7% 0.049 208.4) |
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 #59858C | 4.07:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #59858C | 5.15:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #59858C text on white | 4.07:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #59858C text on black | 5.15:1 | AA | Lc -33.8 | 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
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DCDD
oklch(88.6% 0.013 202.9)
-
Step 300
300
#B1C5C8
oklch(80.9% 0.022 207.6)
-
Step 400
400
#88A7AC
oklch(70.7% 0.035 208.4)
-
Step 500
500
#699298
oklch(63.2% 0.046 207.4)
-
Step 600
600 (this color)
#59858C
oklch(58.7% 0.049 208.4)
-
Step 700
700
#40686E
oklch(49% 0.046 207.8)
-
Step 800
800
#35555A
oklch(42.7% 0.038 208.3)
-
Step 900
900
#2F464A
oklch(37.7% 0.029 209.5)
-
Step 950
950
#1C292B
oklch(27% 0.018 207.9)
#59858C 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) | #7E828C | 0.048 |
| Deuteranopia (no green cones) | #757B8C | 0.044 |
| Tritanopia (no blue cones) | #468987 | 0.025 |
| Achromatopsia (no color) | #7E7E7E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59858C
#59858C
oklch(58.7% 0.049 208.4)
- #98726C
#98726C
oklch(58.8% 0.049 28.8)
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 #59858C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.027
- Grey Blue #647D8E ΔE 0.027
- Battleship Grey #6B7C85 ΔE 0.031
- Slate Gray #708090 ΔE 0.033
- Steel #738595 ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.039
- Light Slate Gray #778899 ΔE 0.045
- Stormy Blue #507B9C ΔE 0.046
Use #59858C 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.