#2542AA#2542AA

#2542AA is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.6% C 0.170 H 266.8°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#2542AA
RGB	rgb(37, 66, 170)
HSL	hsl(227, 64%, 41%)
HSV	hsv(227, 78%, 67%)
CMYK	cmyk(78.2%, 61.2%, 0%, 33.3%)
CIE-LAB	lab(32.24, 27.84, -58.73)
CIE-LCH	lch(32.24, 64.99, 295.36°)
OKLab	oklab(42.64% -0.0095 -0.1698)
OKLCH	oklch(42.64% 0.17 266.8)
XYZ	xyz(9.9643, 7.1909, 38.8852)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2542AA #AA8D25

analogous

#2584AA #2542AA #4A25AA

triadic

#2542AA #AA2542 #42AA25

tetradic

#2542AA #AA2584 #AA8D25 #25AA4A

square

#2542AA #AA2584 #AA8D25 #25AA4A

split-complementary

#2542AA #AA4A25 #84AA25

monochromatic

#0F1B45 #1A2E78 #2542AA #385AD4 #6B84DF

Accessibility & contrast

On white

8.61

#2542AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2542AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2542AA

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2542AA	#FFFFFF	#000000	##FFFFFF
##2542AA	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AD

Deuteranopia (green-blind)

#0046A8

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2542aa;
/* rgb */ color: rgb(37, 66, 170);
/* oklch */ color: oklch(42.6% 0.170 266.8);

Tailwind

colors: {
  custom: {
    50: '#7576c4',
    500: '#2542aa',
    950: '#000000',
  },
}

SCSS

$custom: #2542aa;
$custom-light: #7576c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2542aa",
  "rgb": {
    "r": 37,
    "g": 66,
    "b": 170
  },
  "hsl": {
    "h": 226.917,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42642,
    "c": 0.17002,
    "h": 266.8
  },
  "luminance": 0.07192
}

Semantic roles & 50–950 ramp

primary

#2542AA

secondary

#C5B066

accent

#C341E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2542AA

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

Preview Lab → · Contrast checker → · Palette generator →