#2536B1#2536B1

#2536B1 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.1% C 0.193 H 269.1°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#2536B1
RGB	rgb(37, 54, 177)
HSL	hsl(233, 65%, 42%)
HSV	hsv(233, 79%, 69%)
CMYK	cmyk(79.1%, 69.5%, 0%, 30.6%)
CIE-LAB	lab(29.92, 38.22, -66.71)
CIE-LCH	lch(29.92, 76.88, 299.81°)
OKLab	oklab(41.14% -0.0031 -0.1932)
OKLCH	oklch(41.14% 0.193 269.1)
XYZ	xyz(10.0152, 6.2048, 42.2563)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2536B1 #B1A025

analogous

#257CB1 #2536B1 #5A25B1

triadic

#2536B1 #B12536 #36B125

tetradic

#2536B1 #B1257C #B1A025 #25B15A

square

#2536B1 #B1257C #B1A025 #25B15A

split-complementary

#2536B1 #B15A25 #7CB125

monochromatic

#10174C #1A277E #2536B1 #3D4FD6 #6F7DE1

Accessibility & contrast

On white

9.37

#2536B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2536B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2536B1

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2536B1	#FFFFFF	#000000	##FFFFFF
##2536B1	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB5

Deuteranopia (green-blind)

#0040AF

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2536b1;
/* rgb */ color: rgb(37, 54, 177);
/* oklch */ color: oklch(41.1% 0.193 269.1);

Tailwind

colors: {
  custom: {
    50: '#786dc9',
    500: '#2536b1',
    950: '#000000',
  },
}

SCSS

$custom: #2536b1;
$custom-light: #786dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2536b1",
  "rgb": {
    "r": 37,
    "g": 54,
    "b": 177
  },
  "hsl": {
    "h": 232.714,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41138,
    "c": 0.1932,
    "h": 269.1
  },
  "luminance": 0.06206
}

Semantic roles & 50–950 ramp

primary

#2536B1

secondary

#C8BC6A

accent

#D43FE8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2536B1

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

Preview Lab → · Contrast checker → · Palette generator →