#397EA4#397EA4

#397EA4 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.091 H 235.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#397EA4
RGB	rgb(57, 126, 164)
HSL	hsl(201, 48%, 43%)
HSV	hsv(201, 65%, 64%)
CMYK	cmyk(65.2%, 23.2%, 0%, 35.7%)
CIE-LAB	lab(50.06, -9.56, -26.72)
CIE-LCH	lch(50.06, 28.38, 250.32°)
OKLab	oklab(56.53% -0.0512 -0.0749)
OKLCH	oklch(56.53% 0.091 235.7)
XYZ	xyz(15.8464, 18.4703, 37.8448)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EA4 #A45F39

analogous

#39A494 #397EA4 #3949A4

triadic

#397EA4 #A4397E #7EA439

tetradic

#397EA4 #9439A4 #A45F39 #49A439

square

#397EA4 #9439A4 #A45F39 #49A439

split-complementary

#397EA4 #A43949 #A49439

monochromatic

#193849 #295B77 #397EA4 #569DC4 #83B7D4

Accessibility & contrast

On white

4.47

#397EA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#397EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EA4

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EA4	#FFFFFF	#000000	##000000
##397EA4	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA6

Deuteranopia (green-blind)

#5D72A3

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397ea4;
/* rgb */ color: rgb(57, 126, 164);
/* oklch */ color: oklch(56.5% 0.091 235.7);

Tailwind

colors: {
  custom: {
    50: '#7ba3bf',
    500: '#397ea4',
    950: '#000000',
  },
}

SCSS

$custom: #397ea4;
$custom-light: #7ba3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#397ea4",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 164
  },
  "hsl": {
    "h": 201.308,
    "s": 48.416,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56526,
    "c": 0.09077,
    "h": 235.7
  },
  "luminance": 0.18472
}

Semantic roles & 50–950 ramp

primary

#397EA4

secondary

#BE937B

accent

#8050D8

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #397EA4

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

Preview Lab → · Contrast checker → · Palette generator →