#33507C#33507C

#33507C is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.0% C 0.081 H 258.5°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#33507C
RGB	rgb(51, 80, 124)
HSL	hsl(216, 42%, 34%)
HSV	hsv(216, 59%, 49%)
CMYK	cmyk(58.9%, 35.5%, 0%, 51.4%)
CIE-LAB	lab(33.76, 3.43, -28.22)
CIE-LCH	lch(33.76, 28.43, 276.94°)
OKLab	oklab(42.99% -0.0162 -0.0797)
OKLCH	oklch(42.99% 0.081 258.5)
XYZ	xyz(7.8707, 7.8957, 20.1741)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33507C #7C5F33

analogous

#33757C #33507C #3B337C

triadic

#33507C #7C3350 #507C33

tetradic

#33507C #7C3375 #7C5F33 #337C3B

square

#33507C #7C3375 #7C5F33 #337C3B

split-complementary

#33507C #7C3B33 #757C33

monochromatic

#0F1825 #213451 #33507C #456CA7 #688CC1

Accessibility & contrast

On white

8.14

#33507C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#33507C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33507C

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33507C	#FFFFFF	#000000	##FFFFFF
##33507C	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E537E

Deuteranopia (green-blind)

#354C7B

Tritanopia (blue-blind)

#005A60

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #33507c;
/* rgb */ color: rgb(51, 80, 124);
/* oklch */ color: oklch(43.0% 0.081 258.5);

Tailwind

colors: {
  custom: {
    50: '#7180a2',
    500: '#33507c',
    950: '#000000',
  },
}

SCSS

$custom: #33507c;
$custom-light: #7180a2;
$custom-dark: #000000;

JSON

{
  "hex": "#33507c",
  "rgb": {
    "r": 51,
    "g": 80,
    "b": 124
  },
  "hsl": {
    "h": 216.164,
    "s": 41.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.42987,
    "c": 0.08135,
    "h": 258.5
  },
  "luminance": 0.07896
}

Semantic roles & 50–950 ramp

primary

#33507C

secondary

#A98D62

accent

#A156D2

background

#F7F7FA

surface

#EDEEF3

border

#C8C9CD

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #33507C

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

Preview Lab → · Contrast checker → · Palette generator →