#3589B1#3589B1

#3589B1 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.7% C 0.100 H 232.7°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3589B1
RGB	rgb(53, 137, 177)
HSL	hsl(199, 54%, 45%)
HSV	hsv(199, 70%, 69%)
CMYK	cmyk(70.1%, 22.6%, 0%, 30.6%)
CIE-LAB	lab(53.84, -12.05, -28.38)
CIE-LCH	lch(53.84, 30.84, 246.99°)
OKLab	oklab(59.68% -0.0606 -0.0797)
OKLCH	oklch(59.68% 0.1 232.7)
XYZ	xyz(18.3465, 21.8205, 44.8313)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3589B1 #B15D35

analogous

#35B19B #3589B1 #354BB1

triadic

#3589B1 #B13589 #89B135

tetradic

#3589B1 #9B35B1 #B15D35 #4BB135

square

#3589B1 #9B35B1 #B15D35 #4BB135

split-complementary

#3589B1 #B1354B #B19B35

monochromatic

#194053 #276582 #3589B1 #57A7CD #86BFDB

Accessibility & contrast

On white

3.91

#3589B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#3589B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3589B1

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3589B1	#FFFFFF	#000000	##000000
##3589B1	1.00	3.91	5.36	5.36
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B3

Deuteranopia (green-blind)

#647BB0

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3589b1;
/* rgb */ color: rgb(53, 137, 177);
/* oklch */ color: oklch(59.7% 0.100 232.7);

Tailwind

colors: {
  custom: {
    50: '#7cabc8',
    500: '#3589b1',
    950: '#000000',
  },
}

SCSS

$custom: #3589b1;
$custom-light: #7cabc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3589b1",
  "rgb": {
    "r": 53,
    "g": 137,
    "b": 177
  },
  "hsl": {
    "h": 199.355,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59677,
    "c": 0.10013,
    "h": 232.7
  },
  "luminance": 0.21823
}

Semantic roles & 50–950 ramp

primary

#3589B1

secondary

#C4947D

accent

#7A4BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3589B1

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

Preview Lab → · Contrast checker → · Palette generator →