#2A42A8#2A42A8

#2A42A8 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.7% C 0.166 H 268.2°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#2A42A8
RGB	rgb(42, 66, 168)
HSL	hsl(229, 60%, 41%)
HSV	hsv(229, 75%, 66%)
CMYK	cmyk(75%, 60.7%, 0%, 34.1%)
CIE-LAB	lab(32.29, 27.64, -57.43)
CIE-LCH	lch(32.29, 63.74, 295.70°)
OKLab	oklab(42.69% -0.0051 -0.1659)
OKLCH	oklch(42.69% 0.166 268.2)
XYZ	xyz(9.9685, 7.2148, 37.9054)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42A8 #A8902A

analogous

#2A81A8 #2A42A8 #512AA8

triadic

#2A42A8 #A82A42 #42A82A

tetradic

#2A42A8 #A82A81 #A8902A #2AA851

square

#2A42A8 #A82A81 #A8902A #2AA851

split-complementary

#2A42A8 #A8512A #81A82A

monochromatic

#121C46 #1E2F77 #2A42A8 #405BCF #7185DB

Accessibility & contrast

On white

8.60

#2A42A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2A42A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42A8

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42A8	#FFFFFF	#000000	##FFFFFF
##2A42A8	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AB

Deuteranopia (green-blind)

#0046A6

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2a42a8;
/* rgb */ color: rgb(42, 66, 168);
/* oklch */ color: oklch(42.7% 0.166 268.2);

Tailwind

colors: {
  custom: {
    50: '#7676c3',
    500: '#2a42a8',
    950: '#000000',
  },
}

SCSS

$custom: #2a42a8;
$custom-light: #7676c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42a8",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 168
  },
  "hsl": {
    "h": 228.571,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4269,
    "c": 0.16594,
    "h": 268.2
  },
  "luminance": 0.07216
}

Semantic roles & 50–950 ramp

primary

#2A42A8

secondary

#C3B26B

accent

#C545E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A42A8

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

Preview Lab → · Contrast checker → · Palette generator →