#33397D#33397D

#33397D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.9% C 0.114 H 275.7°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#33397D
RGB	rgb(51, 57, 125)
HSL	hsl(235, 42%, 35%)
HSV	hsv(235, 59%, 49%)
CMYK	cmyk(59.2%, 54.4%, 0%, 51%)
CIE-LAB	lab(27.05, 19.22, -39.55)
CIE-LCH	lch(27.05, 43.97, 295.93°)
OKLab	oklab(37.86% 0.0114 -0.1132)
OKLCH	oklch(37.86% 0.114 275.7)
XYZ	xyz(6.5288, 5.1103, 20.0404)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33397D #7D7733

analogous

#335E7D #33397D #52337D

triadic

#33397D #7D3339 #397D33

tetradic

#33397D #7D335E #7D7733 #337D52

square

#33397D #7D335E #7D7733 #337D52

split-complementary

#33397D #7D5233 #5E7D33

monochromatic

#101126 #212552 #33397D #454DA8 #6970C2

Accessibility & contrast

On white

10.38

#33397D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#33397D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33397D

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33397D	#FFFFFF	#000000	##FFFFFF
##33397D	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12437F

Deuteranopia (green-blind)

#023D7C

Tritanopia (blue-blind)

#064955

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #33397d;
/* rgb */ color: rgb(51, 57, 125);
/* oklch */ color: oklch(37.9% 0.114 275.7);

Tailwind

colors: {
  custom: {
    50: '#726fa3',
    500: '#33397d',
    950: '#000000',
  },
}

SCSS

$custom: #33397d;
$custom-light: #726fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#33397d",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 125
  },
  "hsl": {
    "h": 235.135,
    "s": 42.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37858,
    "c": 0.11374,
    "h": 275.7
  },
  "luminance": 0.05111
}

Semantic roles & 50–950 ramp

primary

#33397D

secondary

#AAA462

accent

#C856D2

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #33397D

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

Preview Lab → · Contrast checker → · Palette generator →