#33577D#33577D

#33577D is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.7% C 0.075 H 251.0°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX#33577D
RGBrgb(51, 87, 125)
HSLhsl(211, 42%, 35%)
HSVhsv(211, 59%, 49%)
CMYKcmyk(59.2%, 30.4%, 0%, 51%)
CIE-LABlab(35.98, -0.71, -25.35)
CIE-LCHlch(35.98, 25.36, 268.41°)
OKLaboklab(44.74% -0.0245 -0.0713)
OKLCHoklch(44.74% 0.075 251)
XYZxyz(8.4738, 9.0001, 20.6887)
Luminance0.0900 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33577D #7D5933
analogous
#337C7D #33577D #34337D
triadic
#33577D #7D3357 #577D33
tetradic
#33577D #7D337C #7D5933 #337D34
square
#33577D #7D337C #7D5933 #337D34
split-complementary
#33577D #7D3433 #7C7D33
monochromatic
#101A26 #213952 #33577D #4575A8 #6994C2

Accessibility & contrast

On white

7.50
#33577D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#33577D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33577D
7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33577D#FFFFFF#000000##FFFFFF
##33577D1.007.502.807.50
#FFFFFF7.501.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#47597F
Deuteranopia (green-blind)
#3E517C
Tritanopia (blue-blind)
#006064
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #33577d;
/* rgb */ color: rgb(51, 87, 125);
/* oklch */ color: oklch(44.7% 0.075 251.0);
Tailwind
colors: {
  custom: {
    50: '#7186a3',
    500: '#33577d',
    950: '#000000',
  },
}
SCSS
$custom: #33577d;
$custom-light: #7186a3;
$custom-dark: #000000;
JSON
{
  "hex": "#33577d",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 125
  },
  "hsl": {
    "h": 210.811,
    "s": 42.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.44741,
    "c": 0.07541,
    "h": 251
  },
  "luminance": 0.09001
}

Semantic roles & 50–950 ramp

primary
#33577D
secondary
#AA8762
accent
#9656D2
background
#F7F8FA
surface
#EDEFF3
border
#C8CACD
text
#080B0F
muted
#7B7C7F

Preview Lab

Preview with #33577D

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

Preview Lab → · Contrast checker → · Palette generator →

#33577D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva