#397C90#397C90

#397C90 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.1% C 0.074 H 220.2°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#397C90
RGB	rgb(57, 124, 144)
HSL	hsl(194, 43%, 39%)
HSV	hsv(194, 60%, 56%)
CMYK	cmyk(60.4%, 13.9%, 0%, 43.5%)
CIE-LAB	lab(48.63, -14.99, -17.22)
CIE-LCH	lch(48.63, 22.83, 228.96°)
OKLab	oklab(55.12% -0.0566 -0.0478)
OKLCH	oklch(55.12% 0.074 220.2)
XYZ	xyz(13.9270, 17.2974, 28.9849)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397C90 #904D39

analogous

#399079 #397C90 #395190

triadic

#397C90 #90397C #7C9039

tetradic

#397C90 #793990 #904D39 #519039

square

#397C90 #793990 #904D39 #519039

split-complementary

#397C90 #903951 #907939

monochromatic

#163038 #285664 #397C90 #4DA0B9 #79B8CA

Accessibility & contrast

On white

4.71

#397C90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#397C90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397C90

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397C90	#FFFFFF	#000000	##FFFFFF
##397C90	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)

#707991

Deuteranopia (green-blind)

#636F90

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #397c90;
/* rgb */ color: rgb(57, 124, 144);
/* oklch */ color: oklch(55.1% 0.074 220.2);

Tailwind

colors: {
  custom: {
    50: '#78a2b0',
    500: '#397c90',
    950: '#000000',
  },
}

SCSS

$custom: #397c90;
$custom-light: #78a2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#397c90",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 144
  },
  "hsl": {
    "h": 193.793,
    "s": 43.284,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55118,
    "c": 0.07415,
    "h": 220.2
  },
  "luminance": 0.17299
}

Semantic roles & 50–950 ramp

primary

#397C90

secondary

#B38171

accent

#7255D3

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #397C90

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

Preview Lab → · Contrast checker → · Palette generator →