#397DBC#397DBC

#397DBC is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.5% C 0.119 H 249.1°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#397DBC
RGB	rgb(57, 125, 188)
HSL	hsl(209, 53%, 48%)
HSV	hsv(209, 70%, 74%)
CMYK	cmyk(69.7%, 33.5%, 0%, 26.3%)
CIE-LAB	lab(50.88, -0.65, -39.31)
CIE-LCH	lch(50.88, 39.31, 269.06°)
OKLab	oklab(57.54% -0.0425 -0.1115)
OKLCH	oklch(57.54% 0.119 249.1)
XYZ	xyz(18.0947, 19.1660, 50.3130)
Luminance	0.1917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DBC #BC7839

analogous

#39BCB9 #397DBC #393CBC

triadic

#397DBC #BC397D #7DBC39

tetradic

#397DBC #B939BC #BC7839 #3CBC39

square

#397DBC #B939BC #BC7839 #3CBC39

split-complementary

#397DBC #BC393C #BCB939

monochromatic

#1D3F5E #2B5E8D #397DBC #639BD0 #92B9DE

Accessibility & contrast

On white

4.34

#397DBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#397DBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DBC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DBC	#FFFFFF	#000000	##000000
##397DBC	1.00	4.34	4.83	4.83
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6180BF

Deuteranopia (green-blind)

#4E74BB

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397dbc;
/* rgb */ color: rgb(57, 125, 188);
/* oklch */ color: oklch(57.5% 0.119 249.1);

Tailwind

colors: {
  custom: {
    50: '#7ea2d0',
    500: '#397dbc',
    950: '#000000',
  },
}

SCSS

$custom: #397dbc;
$custom-light: #7ea2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#397dbc",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 188
  },
  "hsl": {
    "h": 208.855,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57541,
    "c": 0.11927,
    "h": 249.1
  },
  "luminance": 0.19168
}

Semantic roles & 50–950 ramp

primary

#397DBC

secondary

#C9A788

accent

#914BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #397DBC

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

Preview Lab → · Contrast checker → · Palette generator →