#59858D
Closest named color: Grey Blue (#647D8E). oklch(58.8% 0.05 210.1), rgb(89, 133, 141).
Aa
Black text reads best on this color (5.16:1).
About this color
#59858D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.050 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.026 away. Black text reads best on it, at 5.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #59858D |
| RGB | rgb(89, 133, 141) |
| HSL | hsl(189, 23%, 45%) |
| OKLCH | oklch(58.8% 0.05 210.1) |
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 #59858D | 4.06:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #59858D | 5.16:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #59858D text on white | 4.06:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #59858D text on black | 5.16:1 | 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
#D0DBDE
oklch(88.4% 0.013 215.8)
-
Step 300
300
#B1C5C9
oklch(81% 0.023 211.1)
-
Step 400
400
#88A7AD
oklch(70.7% 0.035 210.7)
-
Step 500
500
#699199
oklch(63% 0.046 211.3)
-
Step 600
600 (this color)
#59858D
oklch(58.8% 0.05 210.1)
-
Step 700
700
#40686F
oklch(49% 0.046 209.8)
-
Step 800
800
#35555B
oklch(42.7% 0.039 210.6)
-
Step 900
900
#2F464A
oklch(37.7% 0.029 209.5)
-
Step 950
950
#1C292C
oklch(27% 0.019 213.5)
#59858D 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) | #7E828E | 0.048 |
| Deuteranopia (no green cones) | #757B8D | 0.044 |
| Tritanopia (no blue cones) | #458987 | 0.026 |
| Achromatopsia (no color) | #7E7E7E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59858D
#59858D
oklch(58.8% 0.05 210.1)
- #98726B
#98726B
oklch(58.8% 0.05 30.5)
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 #59858D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.026
- Steel Grey #6F828A ΔE 0.027
- Battleship Grey #6B7C85 ΔE 0.031
- Slate Gray #708090 ΔE 0.032
- Steel #738595 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.040
- Light Slate Gray #778899 ΔE 0.044
- Stormy Blue #507B9C ΔE 0.045
Use #59858D 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.