#397BA9#397BA9

#397BA9 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.1% C 0.098 H 241.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#397BA9
RGB	rgb(57, 123, 169)
HSL	hsl(205, 50%, 44%)
HSV	hsv(205, 66%, 66%)
CMYK	cmyk(66.3%, 27.2%, 0%, 33.7%)
CIE-LAB	lab(49.37, -6.11, -30.70)
CIE-LCH	lch(49.37, 31.30, 258.74°)
OKLab	oklab(56.05% -0.0462 -0.0864)
OKLCH	oklch(56.05% 0.098 241.9)
XYZ	xyz(15.9290, 17.8987, 40.1437)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BA9 #A96739

analogous

#39A99F #397BA9 #3943A9

triadic

#397BA9 #A9397B #7BA939

tetradic

#397BA9 #9F39A9 #A96739 #43A939

square

#397BA9 #9F39A9 #A96739 #43A939

split-complementary

#397BA9 #A93943 #A99F39

monochromatic

#1A384D #2A5A7B #397BA9 #5899C7 #86B5D6

Accessibility & contrast

On white

4.59

#397BA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#397BA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397BA9

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BA9	#FFFFFF	#000000	##FFFFFF
##397BA9	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667BAB

Deuteranopia (green-blind)

#5770A8

Tritanopia (blue-blind)

#00868B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397ba9;
/* rgb */ color: rgb(57, 123, 169);
/* oklch */ color: oklch(56.1% 0.098 241.9);

Tailwind

colors: {
  custom: {
    50: '#7ba1c2',
    500: '#397ba9',
    950: '#000000',
  },
}

SCSS

$custom: #397ba9;
$custom-light: #7ba1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#397ba9",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 169
  },
  "hsl": {
    "h": 204.643,
    "s": 49.558,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56053,
    "c": 0.09804,
    "h": 241.9
  },
  "luminance": 0.179
}

Semantic roles & 50–950 ramp

primary

#397BA9

secondary

#C0997E

accent

#884FD9

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #397BA9

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

Preview Lab → · Contrast checker → · Palette generator →