#2533A0#2533A0

#2533A0 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.9% C 0.175 H 270.0°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2533A0
RGB	rgb(37, 51, 160)
HSL	hsl(233, 62%, 39%)
HSV	hsv(233, 77%, 63%)
CMYK	cmyk(76.9%, 68.1%, 0%, 37.3%)
CIE-LAB	lab(27.57, 33.95, -60.35)
CIE-LCH	lch(27.57, 69.24, 299.36°)
OKLab	oklab(38.93% 0 -0.1746)
OKLCH	oklch(38.93% 0.175 270)
XYZ	xyz(8.2898, 5.2981, 33.8366)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2533A0 #A09225

analogous

#2570A0 #2533A0 #5425A0

triadic

#2533A0 #A02533 #33A025

tetradic

#2533A0 #A02570 #A09225 #25A054

square

#2533A0 #A02570 #A09225 #25A054

split-complementary

#2533A0 #A05425 #70A025

monochromatic

#0E133D #1A236E #2533A0 #3244D0 #6472DB

Accessibility & contrast

On white

10.20

#2533A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2533A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2533A0

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2533A0	#FFFFFF	#000000	##FFFFFF
##2533A0	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A3

Deuteranopia (green-blind)

#003B9E

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2533a0;
/* rgb */ color: rgb(37, 51, 160);
/* oklch */ color: oklch(38.9% 0.175 270.0);

Tailwind

colors: {
  custom: {
    50: '#746bbd',
    500: '#2533a0',
    950: '#000000',
  },
}

SCSS

$custom: #2533a0;
$custom-light: #746bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2533a0",
  "rgb": {
    "r": 37,
    "g": 51,
    "b": 160
  },
  "hsl": {
    "h": 233.171,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38928,
    "c": 0.17464,
    "h": 270
  },
  "luminance": 0.05299
}

Semantic roles & 50–950 ramp

primary

#2533A0

secondary

#C1B660

accent

#D342E6

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2533A0

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

Preview Lab → · Contrast checker → · Palette generator →