#595E88
Closest named color: Dusky Blue (#475F94). oklch(49.5% 0.067 278.4), rgb(89, 94, 136).
Aa
White text reads best on this color (6.21:1).
About this color
#595E88 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.067 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.030 away. White text reads best on it, at 6.21:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.38:1 |
| White text | 6.21:1 |
Values
| HEX | #595E88 |
| RGB | rgb(89, 94, 136) |
| HSL | hsl(234, 21%, 44%) |
| OKLCH | oklch(49.5% 0.067 278.4) |
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 #595E88 | 6.21:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #595E88 | 3.38:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #595E88 text on white | 6.21:1 | AA | Lc 80.9 | Fine for body text |
| #595E88 text on black | 3.38:1 | AA large text | Lc -20.9 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E5
oklch(88.5% 0.018 279)
-
Step 300
300
#BBBFD6
oklch(80.9% 0.033 277.8)
-
Step 400
400
#999EC1
oklch(70.7% 0.051 278.6)
-
Step 500
500
#8086B2
oklch(63.2% 0.066 278.3)
-
Step 600
600
#696F9E
oklch(55.6% 0.073 278.1)
-
Step 700
700 (this color)
#595E88
oklch(49.5% 0.067 278.4)
-
Step 800
800
#484C6D
oklch(42.7% 0.055 278.5)
-
Step 900
900
#3C3F59
oklch(37.6% 0.045 278.9)
-
Step 950
950
#232534
oklch(26.9% 0.028 278.4)
#595E88 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) | #51638A | 0.017 |
| Deuteranopia (no green cones) | #4E5F87 | 0.016 |
| Tritanopia (no blue cones) | #4C666D | 0.060 |
| Achromatopsia (no color) | #616161 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #595E88
#595E88
oklch(49.5% 0.067 278.4)
- #6C6233
#6C6233
oklch(49.4% 0.067 97.6)
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 #595E88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.030
- Dusty Grape #545775 ΔE 0.034
- Dusk #4E5481 ΔE 0.035
- Denim #3B638C ΔE 0.039
- Twilight #4E518B ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.046
- Slate #516572 ΔE 0.048
Use #595E88 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.