#397BAA#397BAA

#397BAA is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.1% C 0.099 H 242.4°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#397BAA
RGB	rgb(57, 123, 170)
HSL	hsl(205, 50%, 45%)
HSV	hsv(205, 66%, 67%)
CMYK	cmyk(66.5%, 27.6%, 0%, 33.3%)
CIE-LAB	lab(49.42, -5.77, -31.21)
CIE-LCH	lch(49.42, 31.74, 259.53°)
OKLab	oklab(56.11% -0.0459 -0.0879)
OKLCH	oklch(56.11% 0.099 242.4)
XYZ	xyz(16.0232, 17.9364, 40.6400)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BAA #AA6839

analogous

#39AAA1 #397BAA #3942AA

triadic

#397BAA #AA397B #7BAA39

tetradic

#397BAA #A139AA #AA6839 #42AA39

square

#397BAA #A139AA #AA6839 #42AA39

split-complementary

#397BAA #AA3942 #AAA139

monochromatic

#1A394E #2A5A7C #397BAA #5999C7 #87B5D7

Accessibility & contrast

On white

4.58

#397BAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#397BAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BAA

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BAA	#FFFFFF	#000000	##000000
##397BAA	1.00	4.58	4.59	4.59
#FFFFFF	4.58	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)

#667CAC

Deuteranopia (green-blind)

#5671A9

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397baa;
/* rgb */ color: rgb(57, 123, 170);
/* oklch */ color: oklch(56.1% 0.099 242.4);

Tailwind

colors: {
  custom: {
    50: '#7ba1c3',
    500: '#397baa',
    950: '#000000',
  },
}

SCSS

$custom: #397baa;
$custom-light: #7ba1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#397baa",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 170
  },
  "hsl": {
    "h": 204.956,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56105,
    "c": 0.09919,
    "h": 242.4
  },
  "luminance": 0.17938
}

Semantic roles & 50–950 ramp

primary

#397BAA

secondary

#C19A7E

accent

#884ED9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #397BAA

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

Preview Lab → · Contrast checker → · Palette generator →