#397EB6#397EB6

#397EB6 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.4% C 0.111 H 246.0°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#397EB6
RGB	rgb(57, 126, 182)
HSL	hsl(207, 52%, 47%)
HSV	hsv(207, 69%, 71%)
CMYK	cmyk(68.7%, 30.8%, 0%, 28.6%)
CIE-LAB	lab(50.88, -3.36, -35.86)
CIE-LCH	lch(50.88, 36.01, 264.65°)
OKLab	oklab(57.45% -0.0452 -0.1014)
OKLCH	oklch(57.45% 0.111 246)
XYZ	xyz(17.5885, 19.1671, 47.0196)
Luminance	0.1917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EB6 #B67139

analogous

#39B6B0 #397EB6 #3940B6

triadic

#397EB6 #B6397E #7EB639

tetradic

#397EB6 #B039B6 #B67139 #40B639

square

#397EB6 #B039B6 #B67139 #40B639

split-complementary

#397EB6 #B63940 #B6B039

monochromatic

#1C3D59 #2A5E87 #397EB6 #5F9CCD #8EB9DC

Accessibility & contrast

On white

4.34

#397EB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#397EB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EB6

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EB6	#FFFFFF	#000000	##000000
##397EB6	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)

#6580B8

Deuteranopia (green-blind)

#5474B5

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397eb6;
/* rgb */ color: rgb(57, 126, 182);
/* oklch */ color: oklch(57.4% 0.111 246.0);

Tailwind

colors: {
  custom: {
    50: '#7da3cc',
    500: '#397eb6',
    950: '#000000',
  },
}

SCSS

$custom: #397eb6;
$custom-light: #7da3cc;
$custom-dark: #000000;

JSON

{
  "hex": "#397eb6",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 182
  },
  "hsl": {
    "h": 206.88,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57446,
    "c": 0.11102,
    "h": 246
  },
  "luminance": 0.19169
}

Semantic roles & 50–950 ramp

primary

#397EB6

secondary

#C6A285

accent

#8C4CDC

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #397EB6

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

Preview Lab → · Contrast checker → · Palette generator →