#2547AA#2547AA

#2547AA is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.6% C 0.164 H 265.5°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#2547AA
RGB	rgb(37, 71, 170)
HSL	hsl(225, 64%, 41%)
HSV	hsv(225, 78%, 67%)
CMYK	cmyk(78.2%, 58.2%, 0%, 33.3%)
CIE-LAB	lab(33.56, 24.50, -56.56)
CIE-LCH	lch(33.56, 61.64, 293.42°)
OKLab	oklab(43.63% -0.0128 -0.1633)
OKLCH	oklch(43.63% 0.164 265.5)
XYZ	xyz(10.2693, 7.8009, 38.9869)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2547AA #AA8825

analogous

#2589AA #2547AA #4625AA

triadic

#2547AA #AA2547 #47AA25

tetradic

#2547AA #AA2589 #AA8825 #25AA46

square

#2547AA #AA2589 #AA8825 #25AA46

split-complementary

#2547AA #AA4625 #89AA25

monochromatic

#0F1D45 #1A3278 #2547AA #3860D4 #6B88DF

Accessibility & contrast

On white

8.20

#2547AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2547AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2547AA

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2547AA	#FFFFFF	#000000	##FFFFFF
##2547AA	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AD

Deuteranopia (green-blind)

#0049A8

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2547aa;
/* rgb */ color: rgb(37, 71, 170);
/* oklch */ color: oklch(43.6% 0.164 265.5);

Tailwind

colors: {
  custom: {
    50: '#7579c4',
    500: '#2547aa',
    950: '#000000',
  },
}

SCSS

$custom: #2547aa;
$custom-light: #7579c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2547aa",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 170
  },
  "hsl": {
    "h": 224.662,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43633,
    "c": 0.16383,
    "h": 265.5
  },
  "luminance": 0.07802
}

Semantic roles & 50–950 ramp

primary

#2547AA

secondary

#C5AD66

accent

#BD41E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2547AA

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

Preview Lab → · Contrast checker → · Palette generator →