#4057C2#4057C2

#4057C2 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.1% C 0.169 H 270.1°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4057C2
RGB	rgb(64, 87, 194)
HSL	hsl(229, 52%, 51%)
HSV	hsv(229, 67%, 76%)
CMYK	cmyk(67%, 55.2%, 0%, 23.9%)
CIE-LAB	lab(40.90, 26.49, -58.73)
CIE-LCH	lch(40.90, 64.43, 294.28°)
OKLab	oklab(50.06% 0.0002 -0.1689)
OKLCH	oklch(50.06% 0.169 270.1)
XYZ	xyz(15.2568, 11.8000, 52.5021)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4057C2 #C2AB40

analogous

#4098C2 #4057C2 #6A40C2

triadic

#4057C2 #C24057 #57C240

tetradic

#4057C2 #C24098 #C2AB40 #40C26A

square

#4057C2 #C24098 #C2AB40 #40C26A

split-complementary

#4057C2 #C26A40 #98C240

monochromatic

#212D67 #304295 #4057C2 #6E80D1 #9DA9E0

Accessibility & contrast

On white

6.25

#4057C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4057C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4057C2

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4057C2	#FFFFFF	#000000	##FFFFFF
##4057C2	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C6

Deuteranopia (green-blind)

#005BC0

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4057c2;
/* rgb */ color: rgb(64, 87, 194);
/* oklch */ color: oklch(50.1% 0.169 270.1);

Tailwind

colors: {
  custom: {
    50: '#8486d5',
    500: '#4057c2',
    950: '#000000',
  },
}

SCSS

$custom: #4057c2;
$custom-light: #8486d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4057c2",
  "rgb": {
    "r": 64,
    "g": 87,
    "b": 194
  },
  "hsl": {
    "h": 229.385,
    "s": 51.587,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50055,
    "c": 0.16893,
    "h": 270.1
  },
  "luminance": 0.11801
}

Semantic roles & 50–950 ramp

primary

#4057C2

secondary

#CCC292

accent

#C24DDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4057C2

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

Preview Lab → · Contrast checker → · Palette generator →