#587589
Closest named color: Metallic Blue (#4F738E). oklch(54.7% 0.046 238.8), rgb(88, 117, 137).
Aa
White text reads best on this color (4.86:1).
About this color
#587589 is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.046 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.016 away. White text reads best on it, at 4.86:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.32:1 |
| White text | 4.86:1 |
Values
| HEX | #587589 |
| RGB | rgb(88, 117, 137) |
| HSL | hsl(204, 22%, 44%) |
| OKLCH | oklch(54.7% 0.046 238.8) |
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 #587589 | 4.86:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #587589 | 4.32:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #587589 text on white | 4.86:1 | AA | Lc 73.7 | Content text, not long reading |
| #587589 text on black | 4.32:1 | AA large text | Lc -28.0 | 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
#E6EAED
oklch(93.5% 0.006 239.8)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B5C3CD
oklch(80.9% 0.021 238.7)
-
Step 400
400
#8EA4B3
oklch(70.7% 0.033 237.8)
-
Step 500
500
#728EA1
oklch(63.2% 0.043 238)
-
Step 600
600 (this color)
#587589
oklch(54.7% 0.046 238.8)
-
Step 700
700
#4A6477
oklch(49% 0.043 240.5)
-
Step 800
800
#3D5260
oklch(42.7% 0.035 237.8)
-
Step 900
900
#34444F
oklch(37.7% 0.028 238.5)
-
Step 950
950
#1F282E
oklch(27.1% 0.017 237.4)
#587589 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) | #6C748A | 0.027 |
| Deuteranopia (no green cones) | #666F89 | 0.024 |
| Tritanopia (no blue cones) | #487A7B | 0.036 |
| Achromatopsia (no color) | #717171 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #587589
#587589
oklch(54.7% 0.046 238.8)
- #866B56
#866B56
oklch(54.9% 0.047 59.5)
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 #587589, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.016
- Grey Blue #647D8E ΔE 0.030
- Stormy Blue #507B9C ΔE 0.030
- Battleship Gray #6C757D ΔE 0.031
- Dull Blue #49759C ΔE 0.033
- Cerulean #457B9D ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.036
- Slate Gray #708090 ΔE 0.048
Use #587589 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.