#578697
Closest named color: Grey Blue (#647D8E). oklch(59.3% 0.057 222.8), rgb(87, 134, 151).
Aa
Black text reads best on this color (5.26:1).
About this color
#578697 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.057 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.028 away. Black text reads best on it, at 5.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.26:1 |
| White text | 3.99:1 |
Values
| HEX | #578697 |
| RGB | rgb(87, 134, 151) |
| HSL | hsl(196, 27%, 47%) |
| OKLCH | oklch(59.3% 0.057 222.8) |
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 #578697 | 3.99:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #578697 | 5.26:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #578697 text on white | 3.99:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #578697 text on black | 5.26:1 | AA | Lc -34.5 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C5CD
oklch(81% 0.026 222.7)
-
Step 400
400
#85A7B3
oklch(70.7% 0.041 221.4)
-
Step 500
500
#6691A1
oklch(63.1% 0.053 223.1)
-
Step 600
600 (this color)
#578697
oklch(59.3% 0.057 222.8)
-
Step 700
700
#3D6877
oklch(49.2% 0.053 222.4)
-
Step 800
800
#335561
oklch(42.9% 0.044 222.5)
-
Step 900
900
#2D464F
oklch(37.8% 0.034 222.5)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#578697 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) | #7C8498 | 0.046 |
| Deuteranopia (no green cones) | #727C97 | 0.042 |
| Tritanopia (no blue cones) | #3D8B8B | 0.037 |
| Achromatopsia (no color) | #7F7F7F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578697
#578697
oklch(59.3% 0.057 222.8)
- #9C7363
#9C7363
oklch(59.2% 0.057 42.3)
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 #578697, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.028
- Steel Grey #6F828A ΔE 0.032
- Slate Gray #708090 ΔE 0.032
- Steel #738595 ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.037
- Stormy Blue #507B9C ΔE 0.038
- Off Blue #5684AE ΔE 0.038
Use #578697 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.