#4074CB#4074CB

#4074CB is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.146 H 260.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4074CB
RGB	rgb(64, 116, 203)
HSL	hsl(218, 57%, 52%)
HSV	hsv(218, 68%, 80%)
CMYK	cmyk(68.5%, 42.9%, 0%, 20.4%)
CIE-LAB	lab(49.36, 11.31, -50.30)
CIE-LCH	lch(49.36, 51.55, 282.67°)
OKLab	oklab(56.7% -0.0251 -0.1437)
OKLCH	oklch(56.7% 0.146 260.1)
XYZ	xyz(19.1354, 17.8906, 58.9331)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4074CB #CB9740

analogous

#40BACB #4074CB #5140CB

triadic

#4074CB #CB4074 #74CB40

tetradic

#4074CB #CB40BA #CB9740 #40CB51

square

#4074CB #CB40BA #CB9740 #40CB51

split-complementary

#4074CB #CB5140 #BACB40

monochromatic

#1F3E72 #2C58A2 #4074CB #7097D8 #A0BAE5

Accessibility & contrast

On white

4.59

#4074CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4074CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4074CB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4074CB	#FFFFFF	#000000	##FFFFFF
##4074CB	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7CCE

Deuteranopia (green-blind)

#336FC9

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4074cb;
/* rgb */ color: rgb(64, 116, 203);
/* oklch */ color: oklch(56.7% 0.146 260.1);

Tailwind

colors: {
  custom: {
    50: '#849bdb',
    500: '#4074cb',
    950: '#000000',
  },
}

SCSS

$custom: #4074cb;
$custom-light: #849bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4074cb",
  "rgb": {
    "r": 64,
    "g": 116,
    "b": 203
  },
  "hsl": {
    "h": 217.554,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.56696,
    "c": 0.14585,
    "h": 260.1
  },
  "luminance": 0.17893
}

Semantic roles & 50–950 ramp

primary

#4074CB

secondary

#D2BB95

accent

#A747E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4074CB

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

Preview Lab → · Contrast checker → · Palette generator →