#397CAF#397CAF

#397CAF is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.104 H 244.2°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#397CAF
RGB	rgb(57, 124, 175)
HSL	hsl(206, 51%, 45%)
HSV	hsv(206, 67%, 69%)
CMYK	cmyk(67.4%, 29.1%, 0%, 31.4%)
CIE-LAB	lab(49.95, -4.62, -33.27)
CIE-LCH	lch(49.95, 33.59, 262.09°)
OKLab	oklab(56.6% -0.0453 -0.0939)
OKLCH	oklch(56.6% 0.104 244.2)
XYZ	xyz(16.6299, 18.3786, 43.2201)
Luminance	0.1838 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CAF #AF6C39

analogous

#39AFA7 #397CAF #3941AF

triadic

#397CAF #AF397C #7CAF39

tetradic

#397CAF #A739AF #AF6C39 #41AF39

square

#397CAF #A739AF #AF6C39 #41AF39

split-complementary

#397CAF #AF3941 #AFA739

monochromatic

#1B3B53 #2A5B81 #397CAF #5B9ACA #8AB7D9

Accessibility & contrast

On white

4.49

#397CAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#397CAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CAF

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CAF	#FFFFFF	#000000	##000000
##397CAF	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657DB1

Deuteranopia (green-blind)

#5572AE

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397caf;
/* rgb */ color: rgb(57, 124, 175);
/* oklch */ color: oklch(56.6% 0.104 244.2);

Tailwind

colors: {
  custom: {
    50: '#7ca1c7',
    500: '#397caf',
    950: '#000000',
  },
}

SCSS

$custom: #397caf;
$custom-light: #7ca1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#397caf",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 175
  },
  "hsl": {
    "h": 205.932,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.56603,
    "c": 0.10428,
    "h": 244.2
  },
  "luminance": 0.1838
}

Semantic roles & 50–950 ramp

primary

#397CAF

secondary

#C39D81

accent

#8A4DDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #397CAF

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

Preview Lab → · Contrast checker → · Palette generator →