#33437E#33437E

#33437E is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.1% C 0.101 H 269.9°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#33437E
RGB	rgb(51, 67, 126)
HSL	hsl(227, 42%, 35%)
HSV	hsv(227, 60%, 49%)
CMYK	cmyk(59.5%, 46.8%, 0%, 50.6%)
CIE-LAB	lab(29.97, 12.79, -35.48)
CIE-LCH	lch(29.97, 37.72, 289.83°)
OKLab	oklab(40.1% -0.0001 -0.1011)
OKLCH	oklch(40.1% 0.101 269.9)
XYZ	xyz(7.1370, 6.2239, 20.5599)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33437E #7E6E33

analogous

#33697E #33437E #49337E

triadic

#33437E #7E3343 #437E33

tetradic

#33437E #7E3369 #7E6E33 #337E49

square

#33437E #7E3369 #7E6E33 #337E49

split-complementary

#33437E #7E4933 #697E33

monochromatic

#101527 #212C52 #33437E #455AAA #697CC2

Accessibility & contrast

On white

9.35

#33437E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#33437E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33437E

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33437E	#FFFFFF	#000000	##FFFFFF
##33437E	1.00	9.35	2.24	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284A80

Deuteranopia (green-blind)

#1E437D

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #33437e;
/* rgb */ color: rgb(51, 67, 126);
/* oklch */ color: oklch(40.1% 0.101 269.9);

Tailwind

colors: {
  custom: {
    50: '#7176a4',
    500: '#33437e',
    950: '#000000',
  },
}

SCSS

$custom: #33437e;
$custom-light: #7176a4;
$custom-dark: #000000;

JSON

{
  "hex": "#33437e",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 126
  },
  "hsl": {
    "h": 227.2,
    "s": 42.373,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40096,
    "c": 0.1011,
    "h": 269.9
  },
  "luminance": 0.06224
}

Semantic roles & 50–950 ramp

primary

#33437E

secondary

#AA9B63

accent

#B856D2

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #33437E

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

Preview Lab → · Contrast checker → · Palette generator →