#397CA3#397CA3

#397CA3 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.091 H 237.1°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#397CA3
RGB	rgb(57, 124, 163)
HSL	hsl(202, 48%, 43%)
HSV	hsv(202, 65%, 64%)
CMYK	cmyk(65%, 23.9%, 0%, 36.1%)
CIE-LAB	lab(49.41, -8.74, -27.15)
CIE-LCH	lch(49.41, 28.52, 252.15°)
OKLab	oklab(55.99% -0.0494 -0.0762)
OKLCH	oklch(55.99% 0.091 237.1)
XYZ	xyz(15.5033, 17.9279, 37.2866)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CA3 #A36039

analogous

#39A395 #397CA3 #3947A3

triadic

#397CA3 #A3397C #7CA339

tetradic

#397CA3 #9539A3 #A36039 #47A339

square

#397CA3 #9539A3 #A36039 #47A339

split-complementary

#397CA3 #A33947 #A39539

monochromatic

#193748 #295A76 #397CA3 #559BC4 #83B6D4

Accessibility & contrast

On white

4.58

#397CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#397CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CA3

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CA3	#FFFFFF	#000000	##000000
##397CA3	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA5

Deuteranopia (green-blind)

#5B71A2

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397ca3;
/* rgb */ color: rgb(57, 124, 163);
/* oklch */ color: oklch(56.0% 0.091 237.1);

Tailwind

colors: {
  custom: {
    50: '#7aa1be',
    500: '#397ca3',
    950: '#000000',
  },
}

SCSS

$custom: #397ca3;
$custom-light: #7aa1be;
$custom-dark: #000000;

JSON

{
  "hex": "#397ca3",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 163
  },
  "hsl": {
    "h": 202.075,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55993,
    "c": 0.0908,
    "h": 237.1
  },
  "luminance": 0.1793
}

Semantic roles & 50–950 ramp

primary

#397CA3

secondary

#BD937A

accent

#8250D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397CA3

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

Preview Lab → · Contrast checker → · Palette generator →