#397EB4#397EB4

#397EB4 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.3% C 0.109 H 245.0°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#397EB4
RGB	rgb(57, 126, 180)
HSL	hsl(206, 52%, 46%)
HSV	hsv(206, 68%, 71%)
CMYK	cmyk(68.3%, 30%, 0%, 29.4%)
CIE-LAB	lab(50.79, -4.06, -34.85)
CIE-LCH	lch(50.79, 35.09, 263.36°)
OKLab	oklab(57.34% -0.0458 -0.0985)
OKLCH	oklch(57.34% 0.109 245)
XYZ	xyz(17.3833, 19.0850, 45.9388)
Luminance	0.1909 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EB4 #B46F39

analogous

#39B4AD #397EB4 #3941B4

triadic

#397EB4 #B4397E #7EB439

tetradic

#397EB4 #AD39B4 #B46F39 #41B439

square

#397EB4 #AD39B4 #B46F39 #41B439

split-complementary

#397EB4 #B43941 #B4AD39

monochromatic

#1C3D57 #2A5D86 #397EB4 #5E9CCC #8DB8DB

Accessibility & contrast

On white

4.36

#397EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#397EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EB4

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EB4	#FFFFFF	#000000	##000000
##397EB4	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB6

Deuteranopia (green-blind)

#5574B3

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397eb4;
/* rgb */ color: rgb(57, 126, 180);
/* oklch */ color: oklch(57.3% 0.109 245.0);

Tailwind

colors: {
  custom: {
    50: '#7da3ca',
    500: '#397eb4',
    950: '#000000',
  },
}

SCSS

$custom: #397eb4;
$custom-light: #7da3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#397eb4",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 180
  },
  "hsl": {
    "h": 206.341,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57339,
    "c": 0.10863,
    "h": 245
  },
  "luminance": 0.19087
}

Semantic roles & 50–950 ramp

primary

#397EB4

secondary

#C5A083

accent

#8B4CDB

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #397EB4

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

Preview Lab → · Contrast checker → · Palette generator →