#397DAC#397DAC

#397DAC is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.7% C 0.100 H 241.7°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#397DAC
RGB	rgb(57, 125, 172)
HSL	hsl(205, 50%, 45%)
HSV	hsv(205, 67%, 67%)
CMYK	cmyk(66.9%, 27.3%, 0%, 32.5%)
CIE-LAB	lab(50.11, -6.25, -31.28)
CIE-LCH	lch(50.11, 31.90, 258.70°)
OKLab	oklab(56.68% -0.0474 -0.0881)
OKLCH	oklch(56.68% 0.1 241.7)
XYZ	xyz(16.4645, 18.5139, 41.7276)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DAC #AC6839

analogous

#39ACA2 #397DAC #3943AC

triadic

#397DAC #AC397D #7DAC39

tetradic

#397DAC #A239AC #AC6839 #43AC39

square

#397DAC #A239AC #AC6839 #43AC39

split-complementary

#397DAC #AC3943 #ACA239

monochromatic

#1B3A50 #2A5C7E #397DAC #5A9BC8 #88B7D8

Accessibility & contrast

On white

4.47

#397DAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#397DAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DAC

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DAC	#FFFFFF	#000000	##000000
##397DAC	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687EAE

Deuteranopia (green-blind)

#5872AB

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397dac;
/* rgb */ color: rgb(57, 125, 172);
/* oklch */ color: oklch(56.7% 0.100 241.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#397dac",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 172
  },
  "hsl": {
    "h": 204.522,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56685,
    "c": 0.10005,
    "h": 241.7
  },
  "luminance": 0.18516
}

Semantic roles & 50–950 ramp

primary

#397DAC

secondary

#C29A7F

accent

#874EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #397DAC

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

Preview Lab → · Contrast checker → · Palette generator →