#578796
Closest named color: Grey Blue (#647D8E). oklch(59.5% 0.057 219.6), rgb(87, 135, 150).
Aa
Black text reads best on this color (5.31:1).
About this color
#578796 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.057 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.030 away. Black text reads best on it, at 5.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.31:1 |
| White text | 3.95:1 |
Values
| HEX | #578796 |
| RGB | rgb(87, 135, 150) |
| HSL | hsl(194, 27%, 46%) |
| OKLCH | oklch(59.5% 0.057 219.6) |
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 #578796 | 3.95:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #578796 | 5.31:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #578796 text on white | 3.95:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #578796 text on black | 5.31:1 | AA | Lc -34.8 | 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 500.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CFDCE0
oklch(88.6% 0.015 218.1)
-
Step 300
300
#AEC5CD
oklch(80.9% 0.027 220.7)
-
Step 400
400
#82A8B4
oklch(70.8% 0.045 219.1)
-
Step 500
500 (this color)
#578796
oklch(59.5% 0.057 219.6)
-
Step 600
600
#477C8C
oklch(55.6% 0.062 219.4)
-
Step 700
700
#386977
oklch(49.2% 0.057 218.5)
-
Step 800
800
#2F5561
oklch(42.6% 0.048 220.4)
-
Step 900
900
#2A464F
oklch(37.6% 0.037 220.3)
-
Step 950
950
#19292E
oklch(26.9% 0.023 219.4)
#578796 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) | #7E8497 | 0.049 |
| Deuteranopia (no green cones) | #747D96 | 0.044 |
| Tritanopia (no blue cones) | #3D8C8C | 0.035 |
| Achromatopsia (no color) | #808080 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578796
#578796
oklch(59.5% 0.057 219.6)
- #9D7465
#9D7465
oklch(59.6% 0.057 41)
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 #578796, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.030
- Steel Grey #6F828A ΔE 0.032
- Slate Gray #708090 ΔE 0.033
- Steel #738595 ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.040
- Stormy Blue #507B9C ΔE 0.041
Use #578796 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.