#397DA8#397DA8

#397DA8 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.096 H 239.4°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#397DA8
RGB	rgb(57, 125, 168)
HSL	hsl(203, 49%, 44%)
HSV	hsv(203, 66%, 66%)
CMYK	cmyk(66.1%, 25.6%, 0%, 34.1%)
CIE-LAB	lab(49.93, -7.62, -29.24)
CIE-LCH	lch(49.93, 30.22, 255.39°)
OKLab	oklab(56.48% -0.0487 -0.0822)
OKLCH	oklch(56.48% 0.096 239.4)
XYZ	xyz(16.0861, 18.3626, 39.7348)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DA8 #A86439

analogous

#39A89C #397DA8 #3946A8

triadic

#397DA8 #A8397D #7DA839

tetradic

#397DA8 #9C39A8 #A86439 #46A839

square

#397DA8 #9C39A8 #A86439 #46A839

split-complementary

#397DA8 #A83946 #A89C39

monochromatic

#1A394D #295B7A #397DA8 #589CC6 #86B7D6

Accessibility & contrast

On white

4.49

#397DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#397DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DA8

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DA8	#FFFFFF	#000000	##000000
##397DA8	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAA

Deuteranopia (green-blind)

#5A72A7

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397da8;
/* rgb */ color: rgb(57, 125, 168);
/* oklch */ color: oklch(56.5% 0.096 239.4);

Tailwind

colors: {
  custom: {
    50: '#7ba2c2',
    500: '#397da8',
    950: '#000000',
  },
}

SCSS

$custom: #397da8;
$custom-light: #7ba2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#397da8",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 168
  },
  "hsl": {
    "h": 203.243,
    "s": 49.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56482,
    "c": 0.09558,
    "h": 239.4
  },
  "luminance": 0.18364
}

Semantic roles & 50–950 ramp

primary

#397DA8

secondary

#C0977D

accent

#844FD9

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397DA8

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

Preview Lab → · Contrast checker → · Palette generator →