#397CB9#397CB9

#397CB9 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.116 H 248.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#397CB9
RGB	rgb(57, 124, 185)
HSL	hsl(209, 53%, 47%)
HSV	hsv(209, 69%, 73%)
CMYK	cmyk(69.2%, 33%, 0%, 27.5%)
CIE-LAB	lab(50.44, -1.11, -38.29)
CIE-LCH	lch(50.44, 38.30, 268.34°)
OKLab	oklab(57.14% -0.0423 -0.1085)
OKLCH	oklch(57.14% 0.116 248.7)
XYZ	xyz(17.6487, 18.7861, 48.5855)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CB9 #B97639

analogous

#39B9B6 #397CB9 #393CB9

triadic

#397CB9 #B9397C #7CB939

tetradic

#397CB9 #B639B9 #B97639 #3CB939

square

#397CB9 #B639B9 #B97639 #3CB939

split-complementary

#397CB9 #B9393C #B9B639

monochromatic

#1C3D5B #2B5D8A #397CB9 #619ACE #90B8DD

Accessibility & contrast

On white

4.41

#397CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#397CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CB9

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CB9	#FFFFFF	#000000	##000000
##397CB9	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617FBC

Deuteranopia (green-blind)

#4F73B8

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397cb9;
/* rgb */ color: rgb(57, 124, 185);
/* oklch */ color: oklch(57.1% 0.116 248.7);

Tailwind

colors: {
  custom: {
    50: '#7ea1ce',
    500: '#397cb9',
    950: '#000000',
  },
}

SCSS

$custom: #397cb9;
$custom-light: #7ea1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#397cb9",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 185
  },
  "hsl": {
    "h": 208.594,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57143,
    "c": 0.11645,
    "h": 248.7
  },
  "luminance": 0.18788
}

Semantic roles & 50–950 ramp

primary

#397CB9

secondary

#C8A586

accent

#914BDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #397CB9

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

Preview Lab → · Contrast checker → · Palette generator →