#397CAC#397CAC

#397CAC is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.101 H 242.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#397CAC
RGB	rgb(57, 124, 172)
HSL	hsl(205, 50%, 45%)
HSV	hsv(205, 67%, 67%)
CMYK	cmyk(66.9%, 27.9%, 0%, 32.5%)
CIE-LAB	lab(49.81, -5.66, -31.75)
CIE-LCH	lch(49.81, 32.26, 259.89°)
OKLab	oklab(56.45% -0.0463 -0.0895)
OKLCH	oklch(56.45% 0.101 242.6)
XYZ	xyz(16.3386, 18.2620, 41.6856)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CAC #AC6939

analogous

#39ACA2 #397CAC #3943AC

triadic

#397CAC #AC397C #7CAC39

tetradic

#397CAC #A239AC #AC6939 #43AC39

square

#397CAC #A239AC #AC6939 #43AC39

split-complementary

#397CAC #AC3943 #ACA239

monochromatic

#1B3A50 #2A5B7E #397CAC #5A9AC8 #88B6D8

Accessibility & contrast

On white

4.51

#397CAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#397CAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CAC

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CAC	#FFFFFF	#000000	##000000
##397CAC	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667DAE

Deuteranopia (green-blind)

#5771AB

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397cac;
/* rgb */ color: rgb(57, 124, 172);
/* oklch */ color: oklch(56.4% 0.101 242.6);

Tailwind

colors: {
  custom: {
    50: '#7ca1c5',
    500: '#397cac',
    950: '#000000',
  },
}

SCSS

$custom: #397cac;
$custom-light: #7ca1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#397cac",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 172
  },
  "hsl": {
    "h": 205.043,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56446,
    "c": 0.10077,
    "h": 242.6
  },
  "luminance": 0.18264
}

Semantic roles & 50–950 ramp

primary

#397CAC

secondary

#C29B7F

accent

#884EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #397CAC

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

Preview Lab → · Contrast checker → · Palette generator →