#4059A3#4059A3

#4059A3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.123 H 267.6°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#4059A3
RGB	rgb(64, 89, 163)
HSL	hsl(225, 44%, 45%)
HSV	hsv(225, 61%, 64%)
CMYK	cmyk(60.7%, 45.4%, 0%, 36.1%)
CIE-LAB	lab(39.37, 14.19, -42.94)
CIE-LCH	lch(39.37, 45.23, 288.29°)
OKLab	oklab(48.24% -0.0051 -0.1225)
OKLCH	oklch(48.24% 0.123 267.6)
XYZ	xyz(12.2954, 10.8781, 36.0950)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059A3 #A38A40

analogous

#408BA3 #4059A3 #5840A3

triadic

#4059A3 #A34059 #59A340

tetradic

#4059A3 #A3408B #A38A40 #40A358

square

#4059A3 #A3408B #A38A40 #40A358

split-complementary

#4059A3 #A35840 #8BA340

monochromatic

#1D294B #2F4177 #4059A3 #6078C0 #8C9DD2

Accessibility & contrast

On white

6.61

#4059A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#4059A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059A3

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059A3	#FFFFFF	#000000	##FFFFFF
##4059A3	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3761A6

Deuteranopia (green-blind)

#2859A1

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4059a3;
/* rgb */ color: rgb(64, 89, 163);
/* oklch */ color: oklch(48.2% 0.123 267.6);

Tailwind

colors: {
  custom: {
    50: '#7e87bf',
    500: '#4059a3',
    950: '#000000',
  },
}

SCSS

$custom: #4059a3;
$custom-light: #7e87bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4059a3",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 163
  },
  "hsl": {
    "h": 224.848,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48241,
    "c": 0.12257,
    "h": 267.6
  },
  "luminance": 0.10879
}

Semantic roles & 50–950 ramp

primary

#4059A3

secondary

#BDAE82

accent

#B354D3

background

#F8F8FB

surface

#EFEFF7

border

#CACAD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #4059A3

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

Preview Lab → · Contrast checker → · Palette generator →