#397CB6#397CB6

#397CB6 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.0% C 0.113 H 247.5°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#397CB6
RGB	rgb(57, 124, 182)
HSL	hsl(208, 52%, 47%)
HSV	hsv(208, 69%, 71%)
CMYK	cmyk(68.7%, 31.9%, 0%, 28.6%)
CIE-LAB	lab(50.29, -2.17, -36.79)
CIE-LCH	lch(50.29, 36.86, 266.62°)
OKLab	oklab(56.98% -0.0432 -0.1041)
OKLCH	oklch(56.98% 0.113 247.5)
XYZ	xyz(17.3353, 18.6607, 46.9352)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CB6 #B67339

analogous

#39B6B2 #397CB6 #393EB6

triadic

#397CB6 #B6397C #7CB639

tetradic

#397CB6 #B239B6 #B67339 #3EB639

square

#397CB6 #B239B6 #B67339 #3EB639

split-complementary

#397CB6 #B6393E #B6B239

monochromatic

#1C3C59 #2A5C87 #397CB6 #5F9ACD #8EB7DC

Accessibility & contrast

On white

4.44

#397CB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#397CB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CB6

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CB6	#FFFFFF	#000000	##000000
##397CB6	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627EB9

Deuteranopia (green-blind)

#5172B5

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397cb6;
/* rgb */ color: rgb(57, 124, 182);
/* oklch */ color: oklch(57.0% 0.113 247.5);

Tailwind

colors: {
  custom: {
    50: '#7da1cc',
    500: '#397cb6',
    950: '#000000',
  },
}

SCSS

$custom: #397cb6;
$custom-light: #7da1cc;
$custom-dark: #000000;

JSON

{
  "hex": "#397cb6",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 182
  },
  "hsl": {
    "h": 207.84,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56978,
    "c": 0.11273,
    "h": 247.5
  },
  "luminance": 0.18663
}

Semantic roles & 50–950 ramp

primary

#397CB6

secondary

#C6A385

accent

#8F4CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #397CB6

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

Preview Lab → · Contrast checker → · Palette generator →