#2533AE#2533AE

#2533AE is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.3% C 0.193 H 269.6°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2533AE
RGB	rgb(37, 51, 174)
HSL	hsl(234, 65%, 41%)
HSV	hsv(234, 79%, 68%)
CMYK	cmyk(78.7%, 70.7%, 0%, 31.8%)
CIE-LAB	lab(28.94, 39.00, -66.53)
CIE-LCH	lch(28.94, 77.12, 300.38°)
OKLab	oklab(40.34% -0.0014 -0.1927)
OKLCH	oklch(40.34% 0.193 269.6)
XYZ	xyz(9.5841, 5.8159, 40.6537)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2533AE #AEA025

analogous

#2578AE #2533AE #5C25AE

triadic

#2533AE #AE2533 #33AE25

tetradic

#2533AE #AE2578 #AEA025 #25AE5C

square

#2533AE #AE2578 #AEA025 #25AE5C

split-complementary

#2533AE #AE5C25 #78AE25

monochromatic

#101549 #1A247C #2533AE #3B4BD5 #6D79E0

Accessibility & contrast

On white

9.71

#2533AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2533AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2533AE

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2533AE	#FFFFFF	#000000	##FFFFFF
##2533AE	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB2

Deuteranopia (green-blind)

#003EAC

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2533ae;
/* rgb */ color: rgb(37, 51, 174);
/* oklch */ color: oklch(40.3% 0.193 269.6);

Tailwind

colors: {
  custom: {
    50: '#786bc7',
    500: '#2533ae',
    950: '#000000',
  },
}

SCSS

$custom: #2533ae;
$custom-light: #786bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2533ae",
  "rgb": {
    "r": 37,
    "g": 51,
    "b": 174
  },
  "hsl": {
    "h": 233.869,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4034,
    "c": 0.19266,
    "h": 269.6
  },
  "luminance": 0.05817
}

Semantic roles & 50–950 ramp

primary

#2533AE

secondary

#C6BD68

accent

#D740E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2533AE

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

Preview Lab → · Contrast checker → · Palette generator →