#2542A4#2542A4

#2542A4 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.1% C 0.162 H 266.6°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#2542A4
RGB	rgb(37, 66, 164)
HSL	hsl(226, 63%, 39%)
HSV	hsv(226, 77%, 64%)
CMYK	cmyk(77.4%, 59.8%, 0%, 35.7%)
CIE-LAB	lab(31.74, 25.54, -55.95)
CIE-LCH	lch(31.74, 61.50, 294.54°)
OKLab	oklab(42.11% -0.0096 -0.1616)
OKLCH	oklch(42.11% 0.162 266.6)
XYZ	xyz(9.4097, 6.9690, 35.9640)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2542A4 #A48725

analogous

#2582A4 #2542A4 #4825A4

triadic

#2542A4 #A42542 #42A425

tetradic

#2542A4 #A42582 #A48725 #25A448

square

#2542A4 #A42582 #A48725 #25A448

split-complementary

#2542A4 #A44825 #82A425

monochromatic

#0E1A40 #1A2E72 #2542A4 #3559D1 #6782DD

Accessibility & contrast

On white

8.77

#2542A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2542A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2542A4

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2542A4	#FFFFFF	#000000	##FFFFFF
##2542A4	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2542a4;
/* rgb */ color: rgb(37, 66, 164);
/* oklch */ color: oklch(42.1% 0.162 266.6);

Tailwind

colors: {
  custom: {
    50: '#7476c0',
    500: '#2542a4',
    950: '#000000',
  },
}

SCSS

$custom: #2542a4;
$custom-light: #7476c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2542a4",
  "rgb": {
    "r": 37,
    "g": 66,
    "b": 164
  },
  "hsl": {
    "h": 226.299,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42112,
    "c": 0.16187,
    "h": 266.6
  },
  "luminance": 0.0697
}

Semantic roles & 50–950 ramp

primary

#2542A4

secondary

#C2AC62

accent

#C142E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2542A4

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

Preview Lab → · Contrast checker → · Palette generator →