#595DD6
Closest named color: Dark Periwinkle (#665FD1). oklch(54.2% 0.182 277), rgb(89, 93, 214).
Aa
White text reads best on this color (5.30:1).
About this color
#595DD6 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.182 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.022 away. White text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 3.96:1 |
| White text | 5.30:1 |
Values
| HEX | #595DD6 |
| RGB | rgb(89, 93, 214) |
| HSL | hsl(238, 60%, 59%) |
| OKLCH | oklch(54.2% 0.182 277) |
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 #595DD6 | 5.30:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #595DD6 | 3.96:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #595DD6 text on white | 5.30:1 | AA | Lc 76.0 | Fine for body text |
| #595DD6 text on black | 3.96:1 | AA large text | Lc -25.7 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300
#B3BCF6
oklch(80.9% 0.083 277.5)
-
Step 400
400
#8C98F1
oklch(70.7% 0.13 276.7)
-
Step 500
500
#727BEC
oklch(63% 0.167 277)
-
Step 600
600 (this color)
#595DD6
oklch(54.2% 0.182 277)
-
Step 700
700
#4D50BE
oklch(49.2% 0.169 277)
-
Step 800
800
#3F4299
oklch(42.7% 0.139 277.2)
-
Step 900
900
#35397A
oklch(37.8% 0.109 277.2)
-
Step 950
950
#1F2247
oklch(27.1% 0.068 277.3)
#595DD6 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) | #0071DA | 0.071 |
| Deuteranopia (no green cones) | #0066D4 | 0.066 |
| Tritanopia (no blue cones) | #007A90 | 0.159 |
| Achromatopsia (no color) | #6B6B6B | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #595DD6
#595DD6
oklch(54.2% 0.182 277)
- #826F00
#826F00
oklch(54.3% 0.112 97.2)
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 #595DD6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.022
- Warm Blue #4B57DB ΔE 0.026
- Slate Blue #6A5ACD ΔE 0.028
- Light Indigo #6D5ACF ΔE 0.031
- Iris #6258C4 ΔE 0.031
- Royal Blue #4169E1 ΔE 0.039
- Neon Blue #4361EE ΔE 0.044
- Bluey Purple #6241C7 ΔE 0.064
Use #595DD6 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.