#397BB6#397BB6

#397BB6 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.114 H 248.2°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#397BB6
RGB	rgb(57, 123, 182)
HSL	hsl(208, 52%, 47%)
HSV	hsv(208, 69%, 71%)
CMYK	cmyk(68.7%, 32.4%, 0%, 28.6%)
CIE-LAB	lab(49.99, -1.57, -37.26)
CIE-LCH	lch(49.99, 37.29, 267.58°)
OKLab	oklab(56.74% -0.0422 -0.1055)
OKLCH	oklch(56.74% 0.114 248.2)
XYZ	xyz(17.2106, 18.4114, 46.8936)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BB6 #B67439

analogous

#39B6B3 #397BB6 #393DB6

triadic

#397BB6 #B6397B #7BB639

tetradic

#397BB6 #B339B6 #B67439 #3DB639

square

#397BB6 #B339B6 #B67439 #3DB639

split-complementary

#397BB6 #B6393D #B6B339

monochromatic

#1C3C59 #2A5C87 #397BB6 #5F99CD #8EB7DC

Accessibility & contrast

On white

4.48

#397BB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#397BB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BB6

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BB6	#FFFFFF	#000000	##000000
##397BB6	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)

#617DB9

Deuteranopia (green-blind)

#4F72B5

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397bb6;
/* rgb */ color: rgb(57, 123, 182);
/* oklch */ color: oklch(56.7% 0.114 248.2);

Tailwind

colors: {
  custom: {
    50: '#7da0cc',
    500: '#397bb6',
    950: '#000000',
  },
}

SCSS

$custom: #397bb6;
$custom-light: #7da0cc;
$custom-dark: #000000;

JSON

{
  "hex": "#397bb6",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 182
  },
  "hsl": {
    "h": 208.32,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56744,
    "c": 0.11363,
    "h": 248.2
  },
  "luminance": 0.18413
}

Semantic roles & 50–950 ramp

primary

#397BB6

secondary

#C6A485

accent

#904CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #397BB6

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

Preview Lab → · Contrast checker → · Palette generator →