#2536B2#2536B2

#2536B2 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.2% C 0.194 H 269.1°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#2536B2
RGB	rgb(37, 54, 178)
HSL	hsl(233, 66%, 42%)
HSV	hsv(233, 79%, 70%)
CMYK	cmyk(79.2%, 69.7%, 0%, 30.2%)
CIE-LAB	lab(30.02, 38.58, -67.14)
CIE-LCH	lch(30.02, 77.43, 299.88°)
OKLab	oklab(41.24% -0.0032 -0.1945)
OKLCH	oklch(41.24% 0.194 269.1)
XYZ	xyz(10.1152, 6.2448, 42.7831)
Luminance	0.0625 (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

#2536B2 #B2A125

analogous

#257DB2 #2536B2 #5B25B2

triadic

#2536B2 #B22536 #36B225

tetradic

#2536B2 #B2257D #B2A125 #25B25B

square

#2536B2 #B2257D #B2A125 #25B25B

split-complementary

#2536B2 #B25B25 #7DB225

monochromatic

#10174D #1A277F #2536B2 #3D50D7 #707EE1

Accessibility & contrast

On white

9.34

#2536B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2536B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2536B2

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2536B2	#FFFFFF	#000000	##FFFFFF
##2536B2	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB6

Deuteranopia (green-blind)

#0040B0

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2536b2;
/* rgb */ color: rgb(37, 54, 178);
/* oklch */ color: oklch(41.2% 0.194 269.1);

Tailwind

colors: {
  custom: {
    50: '#786dca',
    500: '#2536b2',
    950: '#000000',
  },
}

SCSS

$custom: #2536b2;
$custom-light: #786dca;
$custom-dark: #000000;

JSON

{
  "hex": "#2536b2",
  "rgb": {
    "r": 37,
    "g": 54,
    "b": 178
  },
  "hsl": {
    "h": 232.766,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41239,
    "c": 0.19448,
    "h": 269.1
  },
  "luminance": 0.06246
}

Semantic roles & 50–950 ramp

primary

#2536B2

secondary

#C8BD6B

accent

#D43FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2536B2

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

Preview Lab → · Contrast checker → · Palette generator →