#397CAB#397CAB

#397CAB is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.4% C 0.100 H 242.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#397CAB
RGB	rgb(57, 124, 171)
HSL	hsl(205, 50%, 45%)
HSV	hsv(205, 67%, 67%)
CMYK	cmyk(66.7%, 27.5%, 0%, 32.9%)
CIE-LAB	lab(49.77, -6.01, -31.25)
CIE-LCH	lch(49.77, 31.82, 259.11°)
OKLab	oklab(56.4% -0.0466 -0.088)
OKLCH	oklch(56.4% 0.1 242.1)
XYZ	xyz(16.2429, 18.2238, 41.1817)
Luminance	0.1822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CAB #AB6839

analogous

#39ABA1 #397CAB #3943AB

triadic

#397CAB #AB397C #7CAB39

tetradic

#397CAB #A139AB #AB6839 #43AB39

square

#397CAB #A139AB #AB6839 #43AB39

split-complementary

#397CAB #AB3943 #ABA139

monochromatic

#1A394F #2A5B7D #397CAB #599AC8 #87B6D7

Accessibility & contrast

On white

4.52

#397CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#397CAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CAB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#677DAD

Deuteranopia (green-blind)

#5771AA

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397cab;
/* rgb */ color: rgb(57, 124, 171);
/* oklch */ color: oklch(56.4% 0.100 242.1);

Tailwind

colors: {
  custom: {
    50: '#7ca1c4',
    500: '#397cab',
    950: '#000000',
  },
}

SCSS

$custom: #397cab;
$custom-light: #7ca1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#397cab",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 171
  },
  "hsl": {
    "h": 204.737,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56395,
    "c": 0.09962,
    "h": 242.1
  },
  "luminance": 0.18225
}

Semantic roles & 50–950 ramp

primary

#397CAB

secondary

#C19A7F

accent

#884EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397CAB

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

Preview Lab → · Contrast checker → · Palette generator →