#397BBA#397BBA

#397BBA is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 57.0% C 0.119 H 249.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#397BBA
RGB	rgb(57, 123, 186)
HSL	hsl(209, 53%, 48%)
HSV	hsv(209, 69%, 73%)
CMYK	cmyk(69.4%, 33.9%, 0%, 27.1%)
CIE-LAB	lab(50.19, -0.16, -39.25)
CIE-LCH	lch(50.19, 39.25, 269.77°)
OKLab	oklab(56.97% -0.041 -0.1113)
OKLCH	oklch(56.97% 0.119 249.8)
XYZ	xyz(17.6299, 18.5791, 49.1018)
Luminance	0.1858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BBA #BA7839

analogous

#39BAB8 #397BBA #393BBA

triadic

#397BBA #BA397B #7BBA39

tetradic

#397BBA #B839BA #BA7839 #3BBA39

square

#397BBA #B839BA #BA7839 #3BBA39

split-complementary

#397BBA #BA393B #BAB839

monochromatic

#1C3D5C #2B5C8B #397BBA #6199CF #90B8DD

Accessibility & contrast

On white

4.45

#397BBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#397BBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BBA

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BBA	#FFFFFF	#000000	##000000
##397BBA	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7EBD

Deuteranopia (green-blind)

#4D72B9

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397bba;
/* rgb */ color: rgb(57, 123, 186);
/* oklch */ color: oklch(57.0% 0.119 249.8);

Tailwind

colors: {
  custom: {
    50: '#7ea0cf',
    500: '#397bba',
    950: '#000000',
  },
}

SCSS

$custom: #397bba;
$custom-light: #7ea0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#397bba",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 186
  },
  "hsl": {
    "h": 209.302,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56967,
    "c": 0.11863,
    "h": 249.8
  },
  "luminance": 0.18581
}

Semantic roles & 50–950 ramp

primary

#397BBA

secondary

#C8A787

accent

#924BDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #397BBA

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

Preview Lab → · Contrast checker → · Palette generator →