#33489B#33489B

#33489B is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.3% C 0.137 H 269.2°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#33489B
RGB	rgb(51, 72, 155)
HSL	hsl(228, 50%, 40%)
HSV	hsv(228, 67%, 61%)
CMYK	cmyk(67.1%, 53.5%, 0%, 39.2%)
CIE-LAB	lab(33.36, 20.07, -47.85)
CIE-LCH	lch(33.36, 51.89, 292.76°)
OKLab	oklab(43.3% -0.0018 -0.1374)
OKLCH	oklch(43.3% 0.137 269.2)
XYZ	xyz(9.5970, 7.7042, 31.9853)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33489B #9B8633

analogous

#337C9B #33489B #52339B

triadic

#33489B #9B3348 #489B33

tetradic

#33489B #9B337C #9B8633 #339B52

square

#33489B #9B337C #9B8633 #339B52

split-complementary

#33489B #9B5233 #7C9B33

monochromatic

#151D3F #24336D #33489B #4861C3 #7689D2

Accessibility & contrast

On white

8.26

#33489B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#33489B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33489B

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33489B	#FFFFFF	#000000	##FFFFFF
##33489B	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12539E

Deuteranopia (green-blind)

#004A99

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #33489b;
/* rgb */ color: rgb(51, 72, 155);
/* oklch */ color: oklch(43.3% 0.137 269.2);

Tailwind

colors: {
  custom: {
    50: '#777ab9',
    500: '#33489b',
    950: '#000000',
  },
}

SCSS

$custom: #33489b;
$custom-light: #777ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#33489b",
  "rgb": {
    "r": 51,
    "g": 72,
    "b": 155
  },
  "hsl": {
    "h": 227.885,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.433,
    "c": 0.13742,
    "h": 269.2
  },
  "luminance": 0.07705
}

Semantic roles & 50–950 ramp

primary

#33489B

secondary

#BAAB6F

accent

#BE4EDA

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #33489B

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

Preview Lab → · Contrast checker → · Palette generator →