#5064CB
Closest named color: Dark Periwinkle (#665FD1). oklch(54.2% 0.16 271.8), rgb(80, 100, 203).
Aa
White text reads best on this color (5.21:1).
About this color
#5064CB is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.160 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.033 away. White text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #5064CB |
| RGB | rgb(80, 100, 203) |
| HSL | hsl(230, 54%, 55%) |
| OKLCH | oklch(54.2% 0.16 271.8) |
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 #5064CB | 5.21:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #5064CB | 4.02:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #5064CB text on white | 5.21:1 | AA | Lc 75.6 | Fine for body text |
| #5064CB text on black | 4.02:1 | AA large text | Lc -26.1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#CFD8F4
oklch(88.4% 0.04 271.4)
-
Step 300
300
#B0BFF0
oklch(81% 0.071 271.5)
-
Step 400
400
#879CE9
oklch(70.8% 0.115 271.6)
-
Step 500
500
#6B81E2
oklch(63.1% 0.148 271.9)
-
Step 600
600 (this color)
#5064CB
oklch(54.2% 0.16 271.8)
-
Step 700
700
#4456B4
oklch(49% 0.15 271.7)
-
Step 800
800
#384792
oklch(42.7% 0.124 271.7)
-
Step 900
900
#303C74
oklch(37.6% 0.096 271.9)
-
Step 950
950
#1C2444
oklch(27.1% 0.06 271.3)
#5064CB 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) | #2B72CF | 0.045 |
| Deuteranopia (no green cones) | #0A67C9 | 0.051 |
| Tritanopia (no blue cones) | #007C8E | 0.139 |
| Achromatopsia (no color) | #6C6C6C | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5064CB
#5064CB
oklch(54.2% 0.16 271.8)
- #876C00
#876C00
oklch(54.2% 0.111 91.4)
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 #5064CB, closest first.
No curated palette has a color within ΔE 0.04 of #5064CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.033
- Iris #6258C4 ΔE 0.036
- Royal Blue #4169E1 ΔE 0.037
- Slate Blue #6A5ACD ΔE 0.041
- Warm Blue #4B57DB ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.045
- French Blue #436BAD ΔE 0.056
- Neon Blue #4361EE ΔE 0.056
Use #5064CB 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.