#2C42A8#2C42A8

#2C42A8 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.165 H 268.9°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#2C42A8
RGB	rgb(44, 66, 168)
HSL	hsl(229, 58%, 42%)
HSV	hsv(229, 74%, 66%)
CMYK	cmyk(73.8%, 60.7%, 0%, 34.1%)
CIE-LAB	lab(32.39, 27.89, -57.27)
CIE-LCH	lch(32.39, 63.70, 295.96°)
OKLab	oklab(42.79% -0.0032 -0.1653)
OKLCH	oklch(42.79% 0.165 268.9)
XYZ	xyz(10.0524, 7.2580, 37.9094)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C42A8 #A8922C

analogous

#2C80A8 #2C42A8 #542CA8

triadic

#2C42A8 #A82C42 #42A82C

tetradic

#2C42A8 #A82C80 #A8922C #2CA854

square

#2C42A8 #A82C80 #A8922C #2CA854

split-complementary

#2C42A8 #A8542C #80A82C

monochromatic

#131C47 #1F2F78 #2C42A8 #435CCE #7486DB

Accessibility & contrast

On white

8.57

#2C42A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2C42A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C42A8

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C42A8	#FFFFFF	#000000	##FFFFFF
##2C42A8	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AB

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2c42a8;
/* rgb */ color: rgb(44, 66, 168);
/* oklch */ color: oklch(42.8% 0.165 268.9);

Tailwind

colors: {
  custom: {
    50: '#7776c3',
    500: '#2c42a8',
    950: '#000000',
  },
}

SCSS

$custom: #2c42a8;
$custom-light: #7776c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2c42a8",
  "rgb": {
    "r": 44,
    "g": 66,
    "b": 168
  },
  "hsl": {
    "h": 229.355,
    "s": 58.491,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42788,
    "c": 0.16538,
    "h": 268.9
  },
  "luminance": 0.07259
}

Semantic roles & 50–950 ramp

primary

#2C42A8

secondary

#C2B36E

accent

#C646E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2C42A8

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

Preview Lab → · Contrast checker → · Palette generator →