#33398B#33398B

#33398B is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.0% C 0.134 H 275.1°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#33398B
RGB	rgb(51, 57, 139)
HSL	hsl(236, 46%, 37%)
HSV	hsv(236, 63%, 55%)
CMYK	cmyk(63.3%, 59%, 0%, 45.5%)
CIE-LAB	lab(28.10, 24.26, -46.58)
CIE-LCH	lch(28.10, 52.52, 297.51°)
OKLab	oklab(38.98% 0.012 -0.1339)
OKLCH	oklch(38.98% 0.134 275.1)
XYZ	xyz(7.4870, 5.4935, 25.0869)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33398B #8B8533

analogous

#33658B #33398B #59338B

triadic

#33398B #8B3339 #398B33

tetradic

#33398B #8B3365 #8B8533 #338B59

square

#33398B #8B3365 #8B8533 #338B59

split-complementary

#33398B #8B5933 #658B33

monochromatic

#121431 #23275E #33398B #434BB8 #6E75CA

Accessibility & contrast

On white

10.01

#33398B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#33398B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33398B

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33398B	#FFFFFF	#000000	##FFFFFF
##33398B	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468E

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #33398b;
/* rgb */ color: rgb(51, 57, 139);
/* oklch */ color: oklch(39.0% 0.134 275.1);

Tailwind

colors: {
  custom: {
    50: '#746fae',
    500: '#33398b',
    950: '#000000',
  },
}

SCSS

$custom: #33398b;
$custom-light: #746fae;
$custom-dark: #000000;

JSON

{
  "hex": "#33398b",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 139
  },
  "hsl": {
    "h": 235.909,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38976,
    "c": 0.13439,
    "h": 275.1
  },
  "luminance": 0.05494
}

Semantic roles & 50–950 ramp

primary

#33398B

secondary

#B2AD68

accent

#CD52D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #33398B

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

Preview Lab → · Contrast checker → · Palette generator →