#596F82
Closest named color: Metallic Blue (#4F738E). oklch(53.1% 0.04 244.7), rgb(89, 111, 130).
Aa
White text reads best on this color (5.22:1).
About this color
#596F82 is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.040 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.021 away. White text reads best on it, at 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #596F82 |
| RGB | rgb(89, 111, 130) |
| HSL | hsl(208, 19%, 43%) |
| OKLCH | oklch(53.1% 0.04 244.7) |
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 #596F82 | 5.22:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #596F82 | 4.02:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #596F82 text on white | 5.22:1 | AA | Lc 75.9 | Fine for body text |
| #596F82 text on black | 4.02:1 | AA large text | Lc -25.8 | 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
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B7C2CC
oklch(80.9% 0.019 245.4)
-
Step 400
400
#92A3B2
oklch(70.7% 0.029 244.8)
-
Step 500
500
#778C9F
oklch(63% 0.038 245.7)
-
Step 600
600 (this color)
#596F82
oklch(53.1% 0.04 244.7)
-
Step 700
700
#4F6375
oklch(49% 0.038 245.8)
-
Step 800
800
#41515F
oklch(42.7% 0.031 245)
-
Step 900
900
#37434E
oklch(37.7% 0.025 246.2)
-
Step 950
950
#20272D
oklch(26.8% 0.015 244.2)
#596F82 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) | #676F83 | 0.020 |
| Deuteranopia (no green cones) | #626A82 | 0.018 |
| Tritanopia (no blue cones) | #4D7475 | 0.033 |
| Achromatopsia (no color) | #6C6C6C | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596F82
#596F82
oklch(53.1% 0.04 244.7)
- #7D6854
#7D6854
oklch(53.2% 0.04 65.4)
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 #596F82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.021
- Battleship Gray #6C757D ΔE 0.035
- Slate #516572 ΔE 0.037
- Dim Gray #696969 ΔE 0.041
- Dull Blue #49759C ΔE 0.042
- Grey Blue #647D8E ΔE 0.045
- Stormy Blue #507B9C ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.048
Use #596F82 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.