#2536A4#2536A4

#2536A4 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.176 H 269.4°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#2536A4
RGB	rgb(37, 54, 164)
HSL	hsl(232, 63%, 39%)
HSV	hsv(232, 77%, 64%)
CMYK	cmyk(77.4%, 67.1%, 0%, 35.7%)
CIE-LAB	lab(28.67, 33.48, -60.96)
CIE-LCH	lch(28.67, 69.55, 298.78°)
OKLab	oklab(39.85% -0.002 -0.1764)
OKLCH	oklch(39.85% 0.176 269.4)
XYZ	xyz(8.7807, 5.7110, 35.7543)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2536A4 #A49325

analogous

#2575A4 #2536A4 #5425A4

triadic

#2536A4 #A42536 #36A425

tetradic

#2536A4 #A42575 #A49325 #25A454

square

#2536A4 #A42575 #A49325 #25A454

split-complementary

#2536A4 #A45425 #75A425

monochromatic

#0E1540 #1A2672 #2536A4 #354AD1 #6777DD

Accessibility & contrast

On white

9.80

#2536A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2536A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2536A4

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2536A4	#FFFFFF	#000000	##FFFFFF
##2536A4	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA7

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2536a4;
/* rgb */ color: rgb(37, 54, 164);
/* oklch */ color: oklch(39.8% 0.176 269.4);

Tailwind

colors: {
  custom: {
    50: '#756dc0',
    500: '#2536a4',
    950: '#000000',
  },
}

SCSS

$custom: #2536a4;
$custom-light: #756dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2536a4",
  "rgb": {
    "r": 37,
    "g": 54,
    "b": 164
  },
  "hsl": {
    "h": 231.969,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39848,
    "c": 0.17642,
    "h": 269.4
  },
  "luminance": 0.05712
}

Semantic roles & 50–950 ramp

primary

#2536A4

secondary

#C2B662

accent

#D042E6

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2536A4

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

Preview Lab → · Contrast checker → · Palette generator →