#2536B0#2536B0

#2536B0 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.192 H 269.1°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#2536B0
RGB	rgb(37, 54, 176)
HSL	hsl(233, 65%, 42%)
HSV	hsv(233, 79%, 69%)
CMYK	cmyk(79%, 69.3%, 0%, 31%)
CIE-LAB	lab(29.83, 37.86, -66.27)
CIE-LCH	lch(29.83, 76.32, 299.74°)
OKLab	oklab(41.04% -0.003 -0.1919)
OKLCH	oklch(41.04% 0.192 269.1)
XYZ	xyz(9.9159, 6.1651, 41.7333)
Luminance	0.0617 (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

#2536B0 #B09F25

analogous

#257CB0 #2536B0 #5A25B0

triadic

#2536B0 #B02536 #36B025

tetradic

#2536B0 #B0257C #B09F25 #25B05A

square

#2536B0 #B0257C #B09F25 #25B05A

split-complementary

#2536B0 #B05A25 #7CB025

monochromatic

#10174B #1A267D #2536B0 #3C4FD6 #6F7DE1

Accessibility & contrast

On white

9.40

#2536B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2536B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2536B0

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2536B0	#FFFFFF	#000000	##FFFFFF
##2536B0	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB4

Deuteranopia (green-blind)

#0040AE

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2536b0;
/* rgb */ color: rgb(37, 54, 176);
/* oklch */ color: oklch(41.0% 0.192 269.1);

Tailwind

colors: {
  custom: {
    50: '#786dc9',
    500: '#2536b0',
    950: '#000000',
  },
}

SCSS

$custom: #2536b0;
$custom-light: #786dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2536b0",
  "rgb": {
    "r": 37,
    "g": 54,
    "b": 176
  },
  "hsl": {
    "h": 232.662,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41038,
    "c": 0.19193,
    "h": 269.1
  },
  "luminance": 0.06166
}

Semantic roles & 50–950 ramp

primary

#2536B0

secondary

#C7BC6A

accent

#D440E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2536B0

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

Preview Lab → · Contrast checker → · Palette generator →