#5659DD
Closest named color: Warm Blue (#4B57DB). oklch(53.9% 0.197 276.5), rgb(86, 89, 221).
Aa
White text reads best on this color (5.42:1).
About this color
#5659DD is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.197 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.016 away. White text reads best on it, at 5.42:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.197) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.86:1 |
| White text | 5.42:1 |
Values
| HEX | #5659DD |
| RGB | rgb(86, 89, 221) |
| HSL | hsl(239, 67%, 60%) |
| OKLCH | oklch(53.9% 0.197 276.5) |
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 #5659DD | 5.42:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #5659DD | 3.86:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #5659DD text on white | 5.42:1 | AA | Lc 76.6 | Fine for body text |
| #5659DD text on black | 3.86:1 | AA large text | Lc -25.1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300
#B1BCFA
oklch(80.9% 0.089 276.4)
-
Step 400
400
#8A97F8
oklch(70.8% 0.142 276.4)
-
Step 500
500
#7079F4
oklch(63% 0.181 276.7)
-
Step 600
600 (this color)
#5659DD
oklch(53.9% 0.197 276.5)
-
Step 700
700
#4B4DC5
oklch(49.1% 0.183 276.6)
-
Step 800
800
#3D409F
oklch(42.7% 0.151 276.5)
-
Step 900
900
#33387F
oklch(37.8% 0.118 276.1)
-
Step 950
950
#1E214A
oklch(27% 0.075 277)
#5659DD 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) | #0070E1 | 0.072 |
| Deuteranopia (no green cones) | #0064DA | 0.064 |
| Tritanopia (no blue cones) | #007992 | 0.167 |
| Achromatopsia (no color) | #6A6A6A | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5659DD
#5659DD
oklch(53.9% 0.197 276.5)
- #816D00
#816D00
oklch(53.8% 0.111 96.3)
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 #5659DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.016
- Dark Periwinkle #665FD1 ΔE 0.034
- Neon Blue #4361EE ΔE 0.036
- Slate Blue #6A5ACD ΔE 0.039
- Light Indigo #6D5ACF ΔE 0.041
- Royal Blue #4169E1 ΔE 0.041
- Iris #6258C4 ΔE 0.042
- Azul #1D5DEC ΔE 0.057
Use #5659DD 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.