#4059D3#4059D3

#4059D3 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.8% C 0.189 H 269.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#4059D3
RGB	rgb(64, 89, 211)
HSL	hsl(230, 63%, 54%)
HSV	hsv(230, 70%, 83%)
CMYK	cmyk(69.7%, 57.8%, 0%, 17.3%)
CIE-LAB	lab(42.67, 31.25, -65.68)
CIE-LCH	lch(42.67, 72.73, 295.45°)
OKLab	oklab(51.78% -0.0009 -0.1893)
OKLCH	oklch(51.78% 0.189 269.7)
XYZ	xyz(17.4406, 12.9362, 63.1932)
Luminance	0.1294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059D3 #D3BA40

analogous

#40A3D3 #4059D3 #7140D3

triadic

#4059D3 #D34059 #59D340

tetradic

#4059D3 #D340A3 #D3BA40 #40D371

square

#4059D3 #D340A3 #D3BA40 #40D371

split-complementary

#4059D3 #D37140 #A3D340

monochromatic

#1D2D7C #283FAE #4059D3 #7284DE #A3AFEA

Accessibility & contrast

On white

5.85

#4059D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#4059D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059D3

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059D3	#FFFFFF	#000000	##FFFFFF
##4059D3	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD7

Deuteranopia (green-blind)

#005ED1

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4059d3;
/* rgb */ color: rgb(64, 89, 211);
/* oklch */ color: oklch(51.8% 0.189 269.7);

Tailwind

colors: {
  custom: {
    50: '#8787e1',
    500: '#4059d3',
    950: '#000000',
  },
}

SCSS

$custom: #4059d3;
$custom-light: #8787e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4059d3",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 211
  },
  "hsl": {
    "h": 229.796,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51776,
    "c": 0.18932,
    "h": 269.7
  },
  "luminance": 0.12938
}

Semantic roles & 50–950 ramp

primary

#4059D3

secondary

#D7CC98

accent

#CA42E6

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4059D3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →