#397D91#397D91

#397D91 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.4% C 0.075 H 219.9°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#397D91
RGB	rgb(57, 125, 145)
HSL	hsl(194, 44%, 40%)
HSV	hsv(194, 61%, 57%)
CMYK	cmyk(60.7%, 13.8%, 0%, 43.1%)
CIE-LAB	lab(48.98, -15.23, -17.27)
CIE-LCH	lch(48.98, 23.03, 228.61°)
OKLab	oklab(55.41% -0.0574 -0.048)
OKLCH	oklch(55.41% 0.075 219.9)
XYZ	xyz(14.1298, 17.5800, 29.4312)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397D91 #914D39

analogous

#399179 #397D91 #395191

triadic

#397D91 #91397D #7D9139

tetradic

#397D91 #793991 #914D39 #519139

square

#397D91 #793991 #914D39 #519139

split-complementary

#397D91 #913951 #917939

monochromatic

#163139 #285765 #397D91 #4EA1B9 #7AB8CB

Accessibility & contrast

On white

4.65

#397D91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#397D91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397D91

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397D91	#FFFFFF	#000000	##FFFFFF
##397D91	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717A92

Deuteranopia (green-blind)

#647091

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #397d91;
/* rgb */ color: rgb(57, 125, 145);
/* oklch */ color: oklch(55.4% 0.075 219.9);

Tailwind

colors: {
  custom: {
    50: '#78a2b1',
    500: '#397d91',
    950: '#000000',
  },
}

SCSS

$custom: #397d91;
$custom-light: #78a2b1;
$custom-dark: #000000;

JSON

{
  "hex": "#397d91",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 145
  },
  "hsl": {
    "h": 193.636,
    "s": 43.564,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55411,
    "c": 0.07482,
    "h": 219.9
  },
  "luminance": 0.17581
}

Semantic roles & 50–950 ramp

primary

#397D91

secondary

#B48172

accent

#7154D3

background

#F7FAFA

surface

#EEF3F5

border

#C9CDCF

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #397D91

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

Preview Lab → · Contrast checker → · Palette generator →