#397F8D#397F8D

#397F8D is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.7% C 0.073 H 212.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#397F8D
RGB	rgb(57, 127, 141)
HSL	hsl(190, 42%, 39%)
HSV	hsv(190, 60%, 55%)
CMYK	cmyk(59.6%, 9.9%, 0%, 44.7%)
CIE-LAB	lab(49.46, -17.58, -14.20)
CIE-LCH	lch(49.46, 22.60, 218.93°)
OKLab	oklab(55.74% -0.0614 -0.0394)
OKLCH	oklch(55.74% 0.073 212.7)
XYZ	xyz(14.0825, 17.9703, 27.9206)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F8D #8D4739

analogous

#398D71 #397F8D #39558D

triadic

#397F8D #8D397F #7F8D39

tetradic

#397F8D #71398D #8D4739 #558D39

square

#397F8D #71398D #8D4739 #558D39

split-complementary

#397F8D #8D3955 #8D7139

monochromatic

#163036 #275861 #397F8D #4CA5B7 #78BBC8

Accessibility & contrast

On white

4.57

#397F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#397F8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397F8D

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F8D	#FFFFFF	#000000	##000000
##397F8D	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747B8E

Deuteranopia (green-blind)

#67728D

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397f8d;
/* rgb */ color: rgb(57, 127, 141);
/* oklch */ color: oklch(55.7% 0.073 212.7);

Tailwind

colors: {
  custom: {
    50: '#78a4ae',
    500: '#397f8d',
    950: '#000000',
  },
}

SCSS

$custom: #397f8d;
$custom-light: #78a4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#397f8d",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 141
  },
  "hsl": {
    "h": 190,
    "s": 42.424,
    "l": 38.824
  },
  "oklch": {
    "l": 0.55744,
    "c": 0.07291,
    "h": 212.7
  },
  "luminance": 0.17972
}

Semantic roles & 50–950 ramp

primary

#397F8D

secondary

#B27B70

accent

#6A56D2

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #397F8D

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

Preview Lab → · Contrast checker → · Palette generator →