#33558B#33558B

#33558B is a mid, moderate blue. Relative luminance 0.091; OKLCH L 45.1% C 0.097 H 259.3°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#33558B
RGB	rgb(51, 85, 139)
HSL	hsl(217, 46%, 37%)
HSV	hsv(217, 63%, 55%)
CMYK	cmyk(63.3%, 38.8%, 0%, 45.5%)
CIE-LAB	lab(36.11, 5.57, -33.73)
CIE-LCH	lch(36.11, 34.19, 279.38°)
OKLab	oklab(45.08% -0.0181 -0.0957)
OKLCH	oklch(45.08% 0.097 259.3)
XYZ	xyz(9.2723, 9.0640, 25.6820)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33558B #8B6933

analogous

#33818B #33558B #3D338B

triadic

#33558B #8B3355 #558B33

tetradic

#33558B #8B3381 #8B6933 #338B3D

square

#33558B #8B3381 #8B6933 #338B3D

split-complementary

#33558B #8B3D33 #818B33

monochromatic

#121E31 #233A5E #33558B #4370B8 #6E92CA

Accessibility & contrast

On white

7.47

#33558B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#33558B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33558B

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33558B	#FFFFFF	#000000	##FFFFFF
##33558B	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E598D

Deuteranopia (green-blind)

#32518A

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #33558b;
/* rgb */ color: rgb(51, 85, 139);
/* oklch */ color: oklch(45.1% 0.097 259.3);

Tailwind

colors: {
  custom: {
    50: '#7384ad',
    500: '#33558b',
    950: '#000000',
  },
}

SCSS

$custom: #33558b;
$custom-light: #7384ad;
$custom-dark: #000000;

JSON

{
  "hex": "#33558b",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 139
  },
  "hsl": {
    "h": 216.818,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.45078,
    "c": 0.09745,
    "h": 259.3
  },
  "luminance": 0.09065
}

Semantic roles & 50–950 ramp

primary

#33558B

secondary

#B29568

accent

#A352D6

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #33558B

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

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