#397FB6#397FB6

#397FB6 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.110 H 245.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#397FB6
RGB	rgb(57, 127, 182)
HSL	hsl(206, 52%, 47%)
HSV	hsv(206, 69%, 71%)
CMYK	cmyk(68.7%, 30.2%, 0%, 28.6%)
CIE-LAB	lab(51.18, -3.95, -35.39)
CIE-LCH	lch(51.18, 35.61, 263.63°)
OKLab	oklab(57.68% -0.0462 -0.1)
OKLCH	oklch(57.68% 0.11 245.2)
XYZ	xyz(17.7170, 19.4241, 47.0624)
Luminance	0.1943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FB6 #B67039

analogous

#39B6AF #397FB6 #3941B6

triadic

#397FB6 #B6397F #7FB639

tetradic

#397FB6 #AF39B6 #B67039 #41B639

square

#397FB6 #AF39B6 #B67039 #41B639

split-complementary

#397FB6 #B63941 #B6AF39

monochromatic

#1C3E59 #2A5E87 #397FB6 #5F9DCD #8EB9DC

Accessibility & contrast

On white

4.30

#397FB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#397FB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FB6

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FB6	#FFFFFF	#000000	##000000
##397FB6	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6681B8

Deuteranopia (green-blind)

#5575B5

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397fb6;
/* rgb */ color: rgb(57, 127, 182);
/* oklch */ color: oklch(57.7% 0.110 245.2);

Tailwind

colors: {
  custom: {
    50: '#7da3cc',
    500: '#397fb6',
    950: '#000000',
  },
}

SCSS

$custom: #397fb6;
$custom-light: #7da3cc;
$custom-dark: #000000;

JSON

{
  "hex": "#397fb6",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 182
  },
  "hsl": {
    "h": 206.4,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5768,
    "c": 0.1102,
    "h": 245.2
  },
  "luminance": 0.19426
}

Semantic roles & 50–950 ramp

primary

#397FB6

secondary

#C6A185

accent

#8B4CDC

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #397FB6

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

Preview Lab → · Contrast checker → · Palette generator →