#397A9F#397A9F

#397A9F is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.3% C 0.088 H 236.3°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#397A9F
RGB	rgb(57, 122, 159)
HSL	hsl(202, 47%, 42%)
HSV	hsv(202, 64%, 62%)
CMYK	cmyk(64.2%, 23.3%, 0%, 37.6%)
CIE-LAB	lab(48.62, -8.94, -26.03)
CIE-LCH	lch(48.62, 27.52, 251.05°)
OKLab	oklab(55.31% -0.0486 -0.073)
OKLCH	oklch(55.31% 0.088 236.3)
XYZ	xyz(14.9025, 17.2906, 35.3462)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397A9F #9F5E39

analogous

#399F91 #397A9F #39479F

triadic

#397A9F #9F397A #7A9F39

tetradic

#397A9F #91399F #9F5E39 #479F39

square

#397A9F #91399F #9F5E39 #479F39

split-complementary

#397A9F #9F3947 #9F9139

monochromatic

#193545 #295772 #397A9F #549AC2 #81B4D2

Accessibility & contrast

On white

4.71

#397A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#397A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397A9F

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397A9F	#FFFFFF	#000000	##FFFFFF
##397A9F	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6979A1

Deuteranopia (green-blind)

#5B6F9E

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #397a9f;
/* rgb */ color: rgb(57, 122, 159);
/* oklch */ color: oklch(55.3% 0.088 236.3);

Tailwind

colors: {
  custom: {
    50: '#7aa0bb',
    500: '#397a9f',
    950: '#000000',
  },
}

SCSS

$custom: #397a9f;
$custom-light: #7aa0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#397a9f",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 159
  },
  "hsl": {
    "h": 201.765,
    "s": 47.222,
    "l": 42.353
  },
  "oklch": {
    "l": 0.55313,
    "c": 0.0877,
    "h": 236.3
  },
  "luminance": 0.17292
}

Semantic roles & 50–950 ramp

primary

#397A9F

secondary

#BB9178

accent

#8251D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #397A9F

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

Preview Lab → · Contrast checker → · Palette generator →