#397CAE#397CAE

#397CAE is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.103 H 243.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#397CAE
RGB	rgb(57, 124, 174)
HSL	hsl(206, 51%, 45%)
HSV	hsv(206, 67%, 68%)
CMYK	cmyk(67.2%, 28.7%, 0%, 31.8%)
CIE-LAB	lab(49.91, -4.97, -32.77)
CIE-LCH	lch(49.91, 33.14, 261.38°)
OKLab	oklab(56.55% -0.0457 -0.0924)
OKLCH	oklch(56.55% 0.103 243.7)
XYZ	xyz(16.5321, 18.3394, 42.7048)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CAE #AE6B39

analogous

#39AEA5 #397CAE #3942AE

triadic

#397CAE #AE397C #7CAE39

tetradic

#397CAE #A539AE #AE6B39 #42AE39

square

#397CAE #A539AE #AE6B39 #42AE39

split-complementary

#397CAE #AE3942 #AEA539

monochromatic

#1B3A52 #2A5B80 #397CAE #5B9AC9 #89B6D8

Accessibility & contrast

On white

4.50

#397CAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#397CAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CAE

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CAE	#FFFFFF	#000000	##000000
##397CAE	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667DB0

Deuteranopia (green-blind)

#5672AD

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397cae;
/* rgb */ color: rgb(57, 124, 174);
/* oklch */ color: oklch(56.5% 0.103 243.7);

Tailwind

colors: {
  custom: {
    50: '#7ca1c6',
    500: '#397cae',
    950: '#000000',
  },
}

SCSS

$custom: #397cae;
$custom-light: #7ca1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#397cae",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 174
  },
  "hsl": {
    "h": 205.641,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5655,
    "c": 0.1031,
    "h": 243.7
  },
  "luminance": 0.18341
}

Semantic roles & 50–950 ramp

primary

#397CAE

secondary

#C39D80

accent

#8A4EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #397CAE

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

Preview Lab → · Contrast checker → · Palette generator →