#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
RGB	rgb(53, 129, 173)
HSL	hsl(202, 53%, 44%)
HSV	hsv(202, 69%, 68%)
CMYK	cmyk(69.4%, 25.4%, 0%, 32.2%)
CIE-LAB	lab(51.24, -8.88, -30.12)
CIE-LCH	lch(51.24, 31.40, 253.57°)
OKLab	oklab(57.55% -0.0538 -0.0848)
OKLCH	oklch(57.55% 0.1 237.6)
XYZ	xyz(16.8583, 19.4727, 42.3972)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	cyan

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
##3581AD	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

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 →