#3581AD#3581AD

#3581AD is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.100 H 237.6°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#3581AD
RGBrgb(53, 129, 173)
HSLhsl(202, 53%, 44%)
HSVhsv(202, 69%, 68%)
CMYKcmyk(69.4%, 25.4%, 0%, 32.2%)
CIE-LABlab(51.24, -8.88, -30.12)
CIE-LCHlch(51.24, 31.40, 253.57°)
OKLaboklab(57.55% -0.0538 -0.0848)
OKLCHoklch(57.55% 0.1 237.6)
XYZxyz(16.8583, 19.4727, 42.3972)
Luminance0.1948 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3581AD #AD6135
analogous
#35AD9D #3581AD #3545AD
triadic
#3581AD #AD3581 #81AD35
tetradic
#3581AD #9D35AD #AD6135 #45AD35
square
#3581AD #9D35AD #AD6135 #45AD35
split-complementary
#3581AD #AD3545 #AD9D35
monochromatic
#183B4F #275E7E #3581AD #549FCB #83BAD9

Accessibility & contrast

On white

4.29
#3581AD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.90
#3581AD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3581AD
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3581AD#FFFFFF#000000##000000
##3581AD1.004.294.904.90
#FFFFFF4.291.0021.0021.00
#0000004.9021.001.001.00
##0000004.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C81AF
Deuteranopia (green-blind)
#5C75AC
Tritanopia (blue-blind)
#008C90
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #3581ad;
/* rgb */ color: rgb(53, 129, 173);
/* oklch */ color: oklch(57.6% 0.100 237.6);
Tailwind
colors: {
  custom: {
    50: '#7ba5c5',
    500: '#3581ad',
    950: '#000000',
  },
}
SCSS
$custom: #3581ad;
$custom-light: #7ba5c5;
$custom-dark: #000000;
JSON
{
  "hex": "#3581ad",
  "rgb": {
    "r": 53,
    "g": 129,
    "b": 173
  },
  "hsl": {
    "h": 202,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.57552,
    "c": 0.10039,
    "h": 237.6
  },
  "luminance": 0.19475
}

Semantic roles & 50–950 ramp

primary
#3581AD
secondary
#C3957B
accent
#814BDD
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #3581AD

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

Preview Lab → · Contrast checker → · Palette generator →

#3581AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva