#596889
Closest named color: Metallic Blue (#4F738E). oklch(51.8% 0.056 265.5), rgb(89, 104, 137).
Aa
White text reads best on this color (5.57:1).
About this color
#596889 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.056 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.032 away. White text reads best on it, at 5.57:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #596889 |
| RGB | rgb(89, 104, 137) |
| HSL | hsl(221, 21%, 44%) |
| OKLCH | oklch(51.8% 0.056 265.5) |
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 #596889 | 5.57:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #596889 | 3.76:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #596889 text on white | 5.57:1 | AA | Lc 77.9 | Fine for body text |
| #596889 text on black | 3.76:1 | AA large text | Lc -23.9 | 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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E3
oklch(88.4% 0.015 264.5)
-
Step 300
300
#B8C1D3
oklch(81% 0.027 264.4)
-
Step 400
400
#94A1BC
oklch(70.8% 0.042 265)
-
Step 500
500
#7A89AC
oklch(63.1% 0.056 266.7)
-
Step 600
600
#627397
oklch(55.6% 0.06 264.9)
-
Step 700
700 (this color)
#596889
oklch(51.8% 0.056 265.5)
-
Step 800
800
#434F69
oklch(42.8% 0.046 265.3)
-
Step 900
900
#384155
oklch(37.6% 0.036 265.8)
-
Step 950
950
#212632
oklch(26.9% 0.024 267.1)
#596889 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) | #5D6A8A | 0.009 |
| Deuteranopia (no green cones) | #596688 | 0.006 |
| Tritanopia (no blue cones) | #4B6F73 | 0.051 |
| Achromatopsia (no color) | #686868 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596889
#596889
oklch(51.8% 0.056 265.5)
- #776643
#776643
oklch(51.8% 0.055 84.7)
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 #596889, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.032
- Slate #516572 ΔE 0.039
- Denim #3B638C ΔE 0.042
- Dull Blue #49759C ΔE 0.043
- Dusky Blue #475F94 ΔE 0.044
- Muted Blue #3B719F ΔE 0.046
- Dusty Grape #545775 ΔE 0.054
- Stormy Blue #507B9C ΔE 0.055
Use #596889 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.