#397BA1#397BA1

#397BA1 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.7% C 0.089 H 236.7°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#397BA1
RGB	rgb(57, 123, 161)
HSL	hsl(202, 48%, 43%)
HSV	hsv(202, 65%, 63%)
CMYK	cmyk(64.6%, 23.6%, 0%, 36.9%)
CIE-LAB	lab(49.02, -8.84, -26.59)
CIE-LCH	lch(49.02, 28.02, 251.61°)
OKLab	oklab(55.65% -0.049 -0.0746)
OKLCH	oklch(55.65% 0.089 236.7)
XYZ	xyz(15.2009, 17.6074, 36.3088)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BA1 #A15F39

analogous

#39A193 #397BA1 #3947A1

triadic

#397BA1 #A1397B #7BA139

tetradic

#397BA1 #9339A1 #A15F39 #47A139

square

#397BA1 #9339A1 #A15F39 #47A139

split-complementary

#397BA1 #A13947 #A19339

monochromatic

#193647 #295874 #397BA1 #559AC3 #82B5D3

Accessibility & contrast

On white

4.64

#397BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#397BA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397BA1

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BA1	#FFFFFF	#000000	##FFFFFF
##397BA1	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697AA3

Deuteranopia (green-blind)

#5B70A0

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #397ba1;
/* rgb */ color: rgb(57, 123, 161);
/* oklch */ color: oklch(55.7% 0.089 236.7);

Tailwind

colors: {
  custom: {
    50: '#7aa1bd',
    500: '#397ba1',
    950: '#000000',
  },
}

SCSS

$custom: #397ba1;
$custom-light: #7aa1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#397ba1",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 161
  },
  "hsl": {
    "h": 201.923,
    "s": 47.706,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55653,
    "c": 0.08925,
    "h": 236.7
  },
  "luminance": 0.17609
}

Semantic roles & 50–950 ramp

primary

#397BA1

secondary

#BC9279

accent

#8250D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #397BA1

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

Preview Lab → · Contrast checker → · Palette generator →