#397ABC#397ABC

#397ABC is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.8% C 0.122 H 251.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#397ABC
RGB	rgb(57, 122, 188)
HSL	hsl(210, 53%, 48%)
HSV	hsv(210, 70%, 74%)
CMYK	cmyk(69.7%, 35.1%, 0%, 26.3%)
CIE-LAB	lab(50.00, 1.16, -40.70)
CIE-LCH	lch(50.00, 40.72, 271.63°)
OKLab	oklab(56.85% -0.0395 -0.1156)
OKLCH	oklch(56.85% 0.122 251.1)
XYZ	xyz(17.7206, 18.4179, 50.1883)
Luminance	0.1842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397ABC #BC7B39

analogous

#39BBBC #397ABC #3A39BC

triadic

#397ABC #BC397A #7ABC39

tetradic

#397ABC #BC39BB #BC7B39 #39BC3A

square

#397ABC #BC39BB #BC7B39 #39BC3A

split-complementary

#397ABC #BC3A39 #BBBC39

monochromatic

#1D3D5E #2B5C8D #397ABC #6399D0 #92B7DE

Accessibility & contrast

On white

4.48

#397ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#397ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397ABC

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397ABC	#FFFFFF	#000000	##000000
##397ABC	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7EBF

Deuteranopia (green-blind)

#4A71BB

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397abc;
/* rgb */ color: rgb(57, 122, 188);
/* oklch */ color: oklch(56.8% 0.122 251.1);

Tailwind

colors: {
  custom: {
    50: '#7ea0d0',
    500: '#397abc',
    950: '#000000',
  },
}

SCSS

$custom: #397abc;
$custom-light: #7ea0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#397abc",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 188
  },
  "hsl": {
    "h": 210.229,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56849,
    "c": 0.12213,
    "h": 251.1
  },
  "luminance": 0.1842
}

Semantic roles & 50–950 ramp

primary

#397ABC

secondary

#C9A988

accent

#944BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #397ABC

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

Preview Lab → · Contrast checker → · Palette generator →