#397DAE#397DAE

#397DAE is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.102 H 242.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#397DAE
RGB	rgb(57, 125, 174)
HSL	hsl(205, 51%, 45%)
HSV	hsv(205, 67%, 68%)
CMYK	cmyk(67.2%, 28.2%, 0%, 31.8%)
CIE-LAB	lab(50.21, -5.56, -32.30)
CIE-LCH	lch(50.21, 32.77, 260.24°)
OKLab	oklab(56.79% -0.0467 -0.0911)
OKLCH	oklch(56.79% 0.102 242.8)
XYZ	xyz(16.6580, 18.5913, 42.7468)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DAE #AE6A39

analogous

#39AEA4 #397DAE #3943AE

triadic

#397DAE #AE397D #7DAE39

tetradic

#397DAE #A439AE #AE6A39 #43AE39

square

#397DAE #A439AE #AE6A39 #43AE39

split-complementary

#397DAE #AE3943 #AEA439

monochromatic

#1B3B52 #2A5C80 #397DAE #5B9BC9 #89B7D8

Accessibility & contrast

On white

4.45

#397DAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#397DAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DAE

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DAE	#FFFFFF	#000000	##000000
##397DAE	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677EB0

Deuteranopia (green-blind)

#5772AD

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397dae;
/* rgb */ color: rgb(57, 125, 174);
/* oklch */ color: oklch(56.8% 0.102 242.8);

Tailwind

colors: {
  custom: {
    50: '#7ca2c6',
    500: '#397dae',
    950: '#000000',
  },
}

SCSS

$custom: #397dae;
$custom-light: #7ca2c6;
$custom-dark: #000000;

JSON

{
  "hex": "#397dae",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 174
  },
  "hsl": {
    "h": 205.128,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56788,
    "c": 0.10235,
    "h": 242.8
  },
  "luminance": 0.18593
}

Semantic roles & 50–950 ramp

primary

#397DAE

secondary

#C39C80

accent

#884EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #397DAE

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

Preview Lab → · Contrast checker → · Palette generator →