#2542A7#2542A7

#2542A7 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.166 H 266.7°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#2542A7
RGB	rgb(37, 66, 167)
HSL	hsl(227, 64%, 40%)
HSV	hsv(227, 78%, 65%)
CMYK	cmyk(77.8%, 60.5%, 0%, 34.5%)
CIE-LAB	lab(31.99, 26.69, -57.34)
CIE-LCH	lch(31.99, 63.25, 294.96°)
OKLab	oklab(42.38% -0.0095 -0.1657)
OKLCH	oklch(42.38% 0.166 266.7)
XYZ	xyz(9.6838, 7.0787, 37.4077)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2542A7 #A78A25

analogous

#2583A7 #2542A7 #4925A7

triadic

#2542A7 #A72542 #42A725

tetradic

#2542A7 #A72583 #A78A25 #25A749

square

#2542A7 #A72583 #A78A25 #25A749

split-complementary

#2542A7 #A74925 #83A725

monochromatic

#0F1A43 #1A2E75 #2542A7 #3759D3 #6983DE

Accessibility & contrast

On white

8.69

#2542A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2542A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2542A7

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2542A7	#FFFFFF	#000000	##FFFFFF
##2542A7	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AA

Deuteranopia (green-blind)

#0045A5

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2542a7;
/* rgb */ color: rgb(37, 66, 167);
/* oklch */ color: oklch(42.4% 0.166 266.7);

Tailwind

colors: {
  custom: {
    50: '#7476c2',
    500: '#2542a7',
    950: '#000000',
  },
}

SCSS

$custom: #2542a7;
$custom-light: #7476c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2542a7",
  "rgb": {
    "r": 37,
    "g": 66,
    "b": 167
  },
  "hsl": {
    "h": 226.615,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.42376,
    "c": 0.16596,
    "h": 266.7
  },
  "luminance": 0.0708
}

Semantic roles & 50–950 ramp

primary

#2542A7

secondary

#C4AE64

accent

#C241E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2542A7

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

Preview Lab → · Contrast checker → · Palette generator →