#587684
Closest named color: Metallic Blue (#4F738E). oklch(54.8% 0.041 228.3), rgb(88, 118, 132).
Aa
White text reads best on this color (4.83:1).
About this color
#587684 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.041 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.023 away. White text reads best on it, at 4.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.33:1 |
| White text | 4.83:1 |
Values
| HEX | #587684 |
| RGB | rgb(88, 118, 132) |
| HSL | hsl(199, 20%, 43%) |
| OKLCH | oklch(54.8% 0.041 228.3) |
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 #587684 | 4.83:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #587684 | 4.33:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #587684 text on white | 4.83:1 | AA | Lc 73.5 | Content text, not long reading |
| #587684 text on black | 4.33:1 | AA large text | Lc -28.2 | Dividers and decoration only |
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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D3DBDE
oklch(88.6% 0.01 222.1)
-
Step 300
300
#B5C3CA
oklch(80.9% 0.018 229.1)
-
Step 400
400
#8EA5AF
oklch(70.8% 0.03 225.9)
-
Step 500
500
#728E9C
oklch(63% 0.038 229.7)
-
Step 600
600 (this color)
#587684
oklch(54.8% 0.041 228.3)
-
Step 700
700
#4A6572
oklch(49% 0.038 229.2)
-
Step 800
800
#3D535D
oklch(42.8% 0.032 227.6)
-
Step 900
900
#34444C
oklch(37.6% 0.025 229.8)
-
Step 950
950
#1F282C
oklch(27% 0.015 226.6)
#587684 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) | #6F7585 | 0.031 |
| Deuteranopia (no green cones) | #686F84 | 0.028 |
| Tritanopia (no blue cones) | #497A7A | 0.029 |
| Achromatopsia (no color) | #727272 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #587684
#587684
oklch(54.8% 0.041 228.3)
- #856A5C
#856A5C
oklch(54.7% 0.041 48.8)
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 #587684, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.023
- Battleship Gray #6C757D ΔE 0.027
- Grey Blue #647D8E ΔE 0.029
- Battleship Grey #6B7C85 ΔE 0.032
- Stormy Blue #507B9C ΔE 0.036
- Cerulean #457B9D ΔE 0.040
- Dull Blue #49759C ΔE 0.042
- Slate Gray #708090 ΔE 0.047
Use #587684 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.