#33507B#33507B

#33507B is a dark, moderate blue. Relative luminance 0.079; OKLCH L 42.9% C 0.080 H 258.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX#33507B
RGBrgb(51, 80, 123)
HSLhsl(216, 41%, 34%)
HSVhsv(216, 59%, 48%)
CMYKcmyk(58.5%, 35%, 0%, 51.8%)
CIE-LABlab(33.71, 3.08, -27.68)
CIE-LCHlch(33.71, 27.85, 276.35°)
OKLaboklab(42.93% -0.0165 -0.0781)
OKLCHoklch(42.93% 0.08 258.1)
XYZxyz(7.8078, 7.8706, 19.8428)
Luminance0.0787 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33507B #7B5E33
analogous
#33747B #33507B #3A337B
triadic
#33507B #7B3350 #507B33
tetradic
#33507B #7B3374 #7B5E33 #337B3A
square
#33507B #7B3374 #7B5E33 #337B3A
split-complementary
#33507B #7B3A33 #747B33
monochromatic
#0F1824 #213450 #33507B #456CA6 #688CC0

Accessibility & contrast

On white

8.16
#33507B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.57
#33507B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33507B
8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33507B#FFFFFF#000000##FFFFFF
##33507B1.008.162.578.16
#FFFFFF8.161.0021.001.00
#0000002.5721.001.0021.00
##FFFFFF8.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E537D
Deuteranopia (green-blind)
#354C7A
Tritanopia (blue-blind)
#005A60
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #33507b;
/* rgb */ color: rgb(51, 80, 123);
/* oklch */ color: oklch(42.9% 0.080 258.1);
Tailwind
colors: {
  custom: {
    50: '#7180a1',
    500: '#33507b',
    950: '#000000',
  },
}
SCSS
$custom: #33507b;
$custom-light: #7180a1;
$custom-dark: #000000;
JSON
{
  "hex": "#33507b",
  "rgb": {
    "r": 51,
    "g": 80,
    "b": 123
  },
  "hsl": {
    "h": 215.833,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42929,
    "c": 0.07987,
    "h": 258.1
  },
  "luminance": 0.07871
}

Semantic roles & 50–950 ramp

primary
#33507B
secondary
#A88C62
accent
#A057D1
background
#F7F7F9
surface
#EDEEF2
border
#C8C9CC
text
#080A0F
muted
#7B7C7E

Preview Lab

Preview with #33507B

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

Preview Lab → · Contrast checker → · Palette generator →

#33507B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva