#397CBD#397CBD

#397CBD is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.121 H 250.2°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#397CBD
RGB	rgb(57, 124, 189)
HSL	hsl(210, 54%, 48%)
HSV	hsv(210, 70%, 74%)
CMYK	cmyk(69.8%, 34.4%, 0%, 25.9%)
CIE-LAB	lab(50.64, 0.31, -40.27)
CIE-LCH	lch(50.64, 40.27, 270.44°)
OKLab	oklab(57.37% -0.0412 -0.1143)
OKLCH	oklch(57.37% 0.121 250.2)
XYZ	xyz(18.0769, 18.9573, 50.8407)
Luminance	0.1896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CBD #BD7A39

analogous

#39BDBC #397CBD #393ABD

triadic

#397CBD #BD397C #7CBD39

tetradic

#397CBD #BC39BD #BD7A39 #3ABD39

square

#397CBD #BC39BD #BD7A39 #3ABD39

split-complementary

#397CBD #BD393A #BDBC39

monochromatic

#1D3E5F #2B5D8E #397CBD #639AD0 #92B9DE

Accessibility & contrast

On white

4.38

#397CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#397CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CBD

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CBD	#FFFFFF	#000000	##000000
##397CBD	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FC0

Deuteranopia (green-blind)

#4C73BC

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397cbd;
/* rgb */ color: rgb(57, 124, 189);
/* oklch */ color: oklch(57.4% 0.121 250.2);

Tailwind

colors: {
  custom: {
    50: '#7fa1d1',
    500: '#397cbd',
    950: '#000000',
  },
}

SCSS

$custom: #397cbd;
$custom-light: #7fa1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#397cbd",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 189
  },
  "hsl": {
    "h": 209.545,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57367,
    "c": 0.12148,
    "h": 250.2
  },
  "luminance": 0.18959
}

Semantic roles & 50–950 ramp

primary

#397CBD

secondary

#C9A889

accent

#934BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #397CBD

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

Preview Lab → · Contrast checker → · Palette generator →