#33499B#33499B

#33499B is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.136 H 268.8°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#33499B
RGB	rgb(51, 73, 155)
HSL	hsl(227, 50%, 40%)
HSV	hsv(227, 67%, 61%)
CMYK	cmyk(67.1%, 52.9%, 0%, 39.2%)
CIE-LAB	lab(33.64, 19.41, -47.40)
CIE-LCH	lch(33.64, 51.22, 292.26°)
OKLab	oklab(43.51% -0.0028 -0.1361)
OKLCH	oklch(43.51% 0.136 268.8)
XYZ	xyz(9.6622, 7.8346, 32.0070)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33499B #9B8533

analogous

#337D9B #33499B #51339B

triadic

#33499B #9B3349 #499B33

tetradic

#33499B #9B337D #9B8533 #339B51

square

#33499B #9B337D #9B8533 #339B51

split-complementary

#33499B #9B5133 #7D9B33

monochromatic

#151E3F #24336D #33499B #4862C3 #768AD2

Accessibility & contrast

On white

8.18

#33499B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#33499B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33499B

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33499B	#FFFFFF	#000000	##FFFFFF
##33499B	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16549E

Deuteranopia (green-blind)

#004B99

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #33499b;
/* rgb */ color: rgb(51, 73, 155);
/* oklch */ color: oklch(43.5% 0.136 268.8);

Tailwind

colors: {
  custom: {
    50: '#777bb9',
    500: '#33499b',
    950: '#000000',
  },
}

SCSS

$custom: #33499b;
$custom-light: #777bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#33499b",
  "rgb": {
    "r": 51,
    "g": 73,
    "b": 155
  },
  "hsl": {
    "h": 227.308,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43509,
    "c": 0.13611,
    "h": 268.8
  },
  "luminance": 0.07835
}

Semantic roles & 50–950 ramp

primary

#33499B

secondary

#BAAB6F

accent

#BC4EDA

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #33499B

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

Preview Lab → · Contrast checker → · Palette generator →