#397DA4#397DA4

#397DA4 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.3% C 0.091 H 236.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#397DA4
RGB	rgb(57, 125, 164)
HSL	hsl(202, 48%, 43%)
HSV	hsv(202, 65%, 64%)
CMYK	cmyk(65.2%, 23.8%, 0%, 35.7%)
CIE-LAB	lab(49.76, -8.98, -27.19)
CIE-LCH	lch(49.76, 28.64, 251.72°)
OKLab	oklab(56.28% -0.0501 -0.0763)
OKLCH	oklch(56.28% 0.091 236.7)
XYZ	xyz(15.7192, 18.2158, 37.8023)
Luminance	0.1822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DA4 #A46039

analogous

#39A495 #397DA4 #3947A4

triadic

#397DA4 #A4397D #7DA439

tetradic

#397DA4 #9539A4 #A46039 #47A439

square

#397DA4 #9539A4 #A46039 #47A439

split-complementary

#397DA4 #A43947 #A49539

monochromatic

#193849 #295A77 #397DA4 #569CC4 #83B7D4

Accessibility & contrast

On white

4.52

#397DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#397DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DA4

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DA4	#FFFFFF	#000000	##000000
##397DA4	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7CA6

Deuteranopia (green-blind)

#5C72A3

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397da4;
/* rgb */ color: rgb(57, 125, 164);
/* oklch */ color: oklch(56.3% 0.091 236.7);

Tailwind

colors: {
  custom: {
    50: '#7ba2bf',
    500: '#397da4',
    950: '#000000',
  },
}

SCSS

$custom: #397da4;
$custom-light: #7ba2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#397da4",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 164
  },
  "hsl": {
    "h": 201.869,
    "s": 48.416,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56284,
    "c": 0.0913,
    "h": 236.7
  },
  "luminance": 0.18217
}

Semantic roles & 50–950 ramp

primary

#397DA4

secondary

#BE937B

accent

#8150D8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397DA4

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

Preview Lab → · Contrast checker → · Palette generator →