#597E85
Closest named color: Grey Blue (#647D8E). oklch(56.8% 0.043 210.6), rgb(89, 126, 133).
Aa
Black text reads best on this color (4.74:1).
About this color
#597E85 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.043 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.021 away. Black text reads best on it, at 4.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #597E85 |
| RGB | rgb(89, 126, 133) |
| HSL | hsl(190, 20%, 44%) |
| OKLCH | oklch(56.8% 0.043 210.6) |
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 #597E85 | 4.42:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #597E85 | 4.74:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #597E85 text on white | 4.42:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #597E85 text on black | 4.74:1 | AA | Lc -31.0 | 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
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDD
oklch(88.5% 0.01 212.5)
-
Step 300
300
#B3C4C8
oklch(80.9% 0.019 213.4)
-
Step 400
400
#8BA6AB
oklch(70.6% 0.031 210.1)
-
Step 500
500
#6E9097
oklch(63% 0.039 211.7)
-
Step 600
600 (this color)
#597E85
oklch(56.8% 0.043 210.6)
-
Step 700
700
#46676D
oklch(49.1% 0.039 210.1)
-
Step 800
800
#3A5459
oklch(42.7% 0.032 210.8)
-
Step 900
900
#324549
oklch(37.6% 0.025 212)
-
Step 950
950
#1D292B
oklch(27.1% 0.017 208.8)
#597E85 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) | #787B85 | 0.041 |
| Deuteranopia (no green cones) | #707585 | 0.038 |
| Tritanopia (no blue cones) | #498180 | 0.022 |
| Achromatopsia (no color) | #787878 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597E85
#597E85
oklch(56.8% 0.043 210.6)
- #8E6E68
#8E6E68
oklch(56.8% 0.042 30.6)
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 #597E85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.021
- Battleship Grey #6B7C85 ΔE 0.023
- Battleship Gray #6C757D ΔE 0.032
- Steel Grey #6F828A ΔE 0.033
- Slate Gray #708090 ΔE 0.036
- Stormy Blue #507B9C ΔE 0.041
- Metallic Blue #4F738E ΔE 0.043
- Cerulean #457B9D ΔE 0.045
Use #597E85 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.