#397DA3#397DA3

#397DA3 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.090 H 236.0°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#397DA3
RGB	rgb(57, 125, 163)
HSL	hsl(202, 48%, 43%)
HSV	hsv(202, 65%, 64%)
CMYK	cmyk(65%, 23.3%, 0%, 36.1%)
CIE-LAB	lab(49.71, -9.32, -26.68)
CIE-LCH	lch(49.71, 28.26, 250.74°)
OKLab	oklab(56.24% -0.0505 -0.0748)
OKLCH	oklch(56.24% 0.09 236)
XYZ	xyz(15.6293, 18.1798, 37.3286)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DA3 #A35F39

analogous

#39A394 #397DA3 #3948A3

triadic

#397DA3 #A3397D #7DA339

tetradic

#397DA3 #9439A3 #A35F39 #48A339

square

#397DA3 #9439A3 #A35F39 #48A339

split-complementary

#397DA3 #A33948 #A39439

monochromatic

#193748 #295A76 #397DA3 #559CC4 #83B7D4

Accessibility & contrast

On white

4.53

#397DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#397DA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DA3

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DA3	#FFFFFF	#000000	##000000
##397DA3	1.00	4.53	4.64	4.64
#FFFFFF	4.53	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)

#6B7CA5

Deuteranopia (green-blind)

#5C72A2

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397da3;
/* rgb */ color: rgb(57, 125, 163);
/* oklch */ color: oklch(56.2% 0.090 236.0);

Tailwind

colors: {
  custom: {
    50: '#7ba2be',
    500: '#397da3',
    950: '#000000',
  },
}

SCSS

$custom: #397da3;
$custom-light: #7ba2be;
$custom-dark: #000000;

JSON

{
  "hex": "#397da3",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 163
  },
  "hsl": {
    "h": 201.509,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.56235,
    "c": 0.09026,
    "h": 236
  },
  "luminance": 0.18181
}

Semantic roles & 50–950 ramp

primary

#397DA3

secondary

#BD927A

accent

#8150D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397DA3

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

Preview Lab → · Contrast checker → · Palette generator →