#397DAD#397DAD

#397DAD is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.101 H 242.3°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#397DAD
RGB	rgb(57, 125, 173)
HSL	hsl(205, 50%, 45%)
HSV	hsv(205, 67%, 68%)
CMYK	cmyk(67.1%, 27.7%, 0%, 32.2%)
CIE-LAB	lab(50.16, -5.90, -31.79)
CIE-LCH	lch(50.16, 32.34, 259.48°)
OKLab	oklab(56.74% -0.047 -0.0896)
OKLCH	oklch(56.74% 0.101 242.3)
XYZ	xyz(16.5609, 18.5525, 42.2353)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DAD #AD6939

analogous

#39ADA3 #397DAD #3943AD

triadic

#397DAD #AD397D #7DAD39

tetradic

#397DAD #A339AD #AD6939 #43AD39

square

#397DAD #A339AD #AD6939 #43AD39

split-complementary

#397DAD #AD3943 #ADA339

monochromatic

#1B3A51 #2A5C7F #397DAD #5A9BC9 #88B7D8

Accessibility & contrast

On white

4.46

#397DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#397DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DAD

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DAD	#FFFFFF	#000000	##000000
##397DAD	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677EAF

Deuteranopia (green-blind)

#5772AC

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397dad;
/* rgb */ color: rgb(57, 125, 173);
/* oklch */ color: oklch(56.7% 0.101 242.3);

Tailwind

colors: {
  custom: {
    50: '#7ca2c5',
    500: '#397dad',
    950: '#000000',
  },
}

SCSS

$custom: #397dad;
$custom-light: #7ca2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#397dad",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 173
  },
  "hsl": {
    "h": 204.828,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56736,
    "c": 0.1012,
    "h": 242.3
  },
  "luminance": 0.18554
}

Semantic roles & 50–950 ramp

primary

#397DAD

secondary

#C29B80

accent

#884EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #397DAD

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

Preview Lab → · Contrast checker → · Palette generator →