#397E90#397E90

#397E90 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.6% C 0.074 H 217.5°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#397E90
RGB	rgb(57, 126, 144)
HSL	hsl(192, 43%, 39%)
HSV	hsv(192, 60%, 56%)
CMYK	cmyk(60.4%, 12.5%, 0%, 43.5%)
CIE-LAB	lab(49.26, -16.09, -16.27)
CIE-LCH	lch(49.26, 22.89, 225.31°)
OKLab	oklab(55.62% -0.059 -0.0452)
OKLCH	oklch(55.62% 0.074 217.5)
XYZ	xyz(14.1802, 17.8038, 29.0693)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397E90 #904B39

analogous

#399077 #397E90 #395390

triadic

#397E90 #90397E #7E9039

tetradic

#397E90 #773990 #904B39 #539039

square

#397E90 #773990 #904B39 #539039

split-complementary

#397E90 #903953 #907739

monochromatic

#163138 #285864 #397E90 #4DA3B9 #79B9CA

Accessibility & contrast

On white

4.60

#397E90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#397E90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397E90

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397E90	#FFFFFF	#000000	##FFFFFF
##397E90	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727B91

Deuteranopia (green-blind)

#657190

Tritanopia (blue-blind)

#008484

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397e90;
/* rgb */ color: rgb(57, 126, 144);
/* oklch */ color: oklch(55.6% 0.074 217.5);

Tailwind

colors: {
  custom: {
    50: '#78a3b0',
    500: '#397e90',
    950: '#000000',
  },
}

SCSS

$custom: #397e90;
$custom-light: #78a3b0;
$custom-dark: #000000;

JSON

{
  "hex": "#397e90",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 144
  },
  "hsl": {
    "h": 192.414,
    "s": 43.284,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55618,
    "c": 0.07427,
    "h": 217.5
  },
  "luminance": 0.17805
}

Semantic roles & 50–950 ramp

primary

#397E90

secondary

#B37F71

accent

#6F55D3

background

#F7FAFA

surface

#EEF3F4

border

#C9CDCE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #397E90

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

Preview Lab → · Contrast checker → · Palette generator →