#3581AF#3581AF

#3581AF is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.7% C 0.103 H 238.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3581AF
RGB	rgb(53, 129, 175)
HSL	hsl(203, 54%, 45%)
HSV	hsv(203, 70%, 69%)
CMYK	cmyk(69.7%, 26.3%, 0%, 31.4%)
CIE-LAB	lab(51.33, -8.19, -31.14)
CIE-LCH	lch(51.33, 32.20, 255.27°)
OKLab	oklab(57.65% -0.0531 -0.0877)
OKLCH	oklch(57.65% 0.103 238.8)
XYZ	xyz(17.0533, 19.5507, 43.4240)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3581AF #AF6335

analogous

#35AFA0 #3581AF #3544AF

triadic

#3581AF #AF3581 #81AF35

tetradic

#3581AF #A035AF #AF6335 #44AF35

square

#3581AF #A035AF #AF6335 #44AF35

split-complementary

#3581AF #AF3544 #AFA035

monochromatic

#193C51 #275E80 #3581AF #569FCC #85BADA

Accessibility & contrast

On white

4.28

#3581AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#3581AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3581AF

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3581AF	#FFFFFF	#000000	##000000
##3581AF	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C81B1

Deuteranopia (green-blind)

#5B75AE

Tritanopia (blue-blind)

#008D91

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3581af;
/* rgb */ color: rgb(53, 129, 175);
/* oklch */ color: oklch(57.7% 0.103 238.8);

Tailwind

colors: {
  custom: {
    50: '#7ba5c7',
    500: '#3581af',
    950: '#000000',
  },
}

SCSS

$custom: #3581af;
$custom-light: #7ba5c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3581af",
  "rgb": {
    "r": 53,
    "g": 129,
    "b": 175
  },
  "hsl": {
    "h": 202.623,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57652,
    "c": 0.10253,
    "h": 238.8
  },
  "luminance": 0.19553
}

Semantic roles & 50–950 ramp

primary

#3581AF

secondary

#C4977C

accent

#824BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3581AF

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

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