#397CA6#397CA6

#397CA6 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.094 H 239.1°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#397CA6
RGB	rgb(57, 124, 166)
HSL	hsl(203, 49%, 44%)
HSV	hsv(203, 66%, 65%)
CMYK	cmyk(65.7%, 25.3%, 0%, 34.9%)
CIE-LAB	lab(49.54, -7.72, -28.69)
CIE-LCH	lch(49.54, 29.71, 254.93°)
OKLab	oklab(56.14% -0.0483 -0.0806)
OKLCH	oklch(56.14% 0.094 239.1)
XYZ	xyz(15.7753, 18.0367, 38.7191)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CA6 #A66339

analogous

#39A699 #397CA6 #3945A6

triadic

#397CA6 #A6397C #7CA639

tetradic

#397CA6 #9939A6 #A66339 #45A639

square

#397CA6 #9939A6 #A66339 #45A639

split-complementary

#397CA6 #A63945 #A69939

monochromatic

#1A384B #295A78 #397CA6 #579BC5 #84B6D5

Accessibility & contrast

On white

4.56

#397CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#397CA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CA6

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CA6	#FFFFFF	#000000	##000000
##397CA6	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697CA8

Deuteranopia (green-blind)

#5A71A5

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397ca6;
/* rgb */ color: rgb(57, 124, 166);
/* oklch */ color: oklch(56.1% 0.094 239.1);

Tailwind

colors: {
  custom: {
    50: '#7ba1c0',
    500: '#397ca6',
    950: '#000000',
  },
}

SCSS

$custom: #397ca6;
$custom-light: #7ba1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#397ca6",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 166
  },
  "hsl": {
    "h": 203.119,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56142,
    "c": 0.09402,
    "h": 239.1
  },
  "luminance": 0.18038
}

Semantic roles & 50–950 ramp

primary

#397CA6

secondary

#BF967C

accent

#844FD8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397CA6

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

Preview Lab → · Contrast checker → · Palette generator →