#33438B#33438B

#33438B is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.0% C 0.121 H 270.8°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#33438B
RGB	rgb(51, 67, 139)
HSL	hsl(229, 46%, 37%)
HSV	hsv(229, 63%, 55%)
CMYK	cmyk(63.3%, 51.8%, 0%, 45.5%)
CIE-LAB	lab(30.83, 17.53, -42.16)
CIE-LCH	lch(30.83, 45.66, 292.58°)
OKLab	oklab(41.03% 0.0017 -0.1207)
OKLCH	oklch(41.03% 0.121 270.8)
XYZ	xyz(8.0310, 6.5815, 25.2682)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33438B #8B7B33

analogous

#336F8B #33438B #4F338B

triadic

#33438B #8B3343 #438B33

tetradic

#33438B #8B336F #8B7B33 #338B4F

square

#33438B #8B336F #8B7B33 #338B4F

split-complementary

#33438B #8B4F33 #6F8B33

monochromatic

#121831 #232D5E #33438B #4359B8 #6E7FCA

Accessibility & contrast

On white

9.07

#33438B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#33438B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33438B

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33438B	#FFFFFF	#000000	##FFFFFF
##33438B	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4D8E

Deuteranopia (green-blind)

#05458A

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #33438b;
/* rgb */ color: rgb(51, 67, 139);
/* oklch */ color: oklch(41.0% 0.121 270.8);

Tailwind

colors: {
  custom: {
    50: '#7476ad',
    500: '#33438b',
    950: '#000000',
  },
}

SCSS

$custom: #33438b;
$custom-light: #7476ad;
$custom-dark: #000000;

JSON

{
  "hex": "#33438b",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 139
  },
  "hsl": {
    "h": 229.091,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.41031,
    "c": 0.12073,
    "h": 270.8
  },
  "luminance": 0.06582
}

Semantic roles & 50–950 ramp

primary

#33438B

secondary

#B2A468

accent

#BE52D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #33438B

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

Preview Lab → · Contrast checker → · Palette generator →