#397EA8#397EA8

#397EA8 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.095 H 238.4°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#397EA8
RGB	rgb(57, 126, 168)
HSL	hsl(203, 49%, 44%)
HSV	hsv(203, 66%, 66%)
CMYK	cmyk(66.1%, 25%, 0%, 34.1%)
CIE-LAB	lab(50.24, -8.20, -28.77)
CIE-LCH	lch(50.24, 29.92, 254.09°)
OKLab	oklab(56.72% -0.0498 -0.0809)
OKLCH	oklch(56.72% 0.095 238.4)
XYZ	xyz(16.2134, 18.6170, 39.7772)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EA8 #A86339

analogous

#39A89B #397EA8 #3947A8

triadic

#397EA8 #A8397E #7EA839

tetradic

#397EA8 #9B39A8 #A86339 #47A839

square

#397EA8 #9B39A8 #A86339 #47A839

split-complementary

#397EA8 #A83947 #A89B39

monochromatic

#1A394D #295C7A #397EA8 #589DC6 #86B7D6

Accessibility & contrast

On white

4.45

#397EA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#397EA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EA8

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EA8	#FFFFFF	#000000	##000000
##397EA8	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7EAA

Deuteranopia (green-blind)

#5B73A7

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397ea8;
/* rgb */ color: rgb(57, 126, 168);
/* oklch */ color: oklch(56.7% 0.095 238.4);

Tailwind

colors: {
  custom: {
    50: '#7ba3c2',
    500: '#397ea8',
    950: '#000000',
  },
}

SCSS

$custom: #397ea8;
$custom-light: #7ba3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#397ea8",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 168
  },
  "hsl": {
    "h": 202.703,
    "s": 49.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56722,
    "c": 0.09496,
    "h": 238.4
  },
  "luminance": 0.18619
}

Semantic roles & 50–950 ramp

primary

#397EA8

secondary

#C0967D

accent

#834FD9

background

#F8FAFB

surface

#EFF3F7

border

#CACDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #397EA8

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

Preview Lab → · Contrast checker → · Palette generator →