#397BAE#397BAE

#397BAE is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.104 H 244.6°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#397BAE
RGB	rgb(57, 123, 174)
HSL	hsl(206, 51%, 45%)
HSV	hsv(206, 67%, 68%)
CMYK	cmyk(67.2%, 29.3%, 0%, 31.8%)
CIE-LAB	lab(49.61, -4.38, -33.24)
CIE-LCH	lch(49.61, 33.53, 262.49°)
OKLab	oklab(56.31% -0.0446 -0.0938)
OKLCH	oklch(56.31% 0.104 244.6)
XYZ	xyz(16.4074, 18.0901, 42.6632)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BAE #AE6C39

analogous

#39AEA6 #397BAE #3940AE

triadic

#397BAE #AE397B #7BAE39

tetradic

#397BAE #A639AE #AE6C39 #40AE39

square

#397BAE #A639AE #AE6C39 #40AE39

split-complementary

#397BAE #AE3940 #AEA639

monochromatic

#1B3A52 #2A5A80 #397BAE #5B99C9 #89B6D8

Accessibility & contrast

On white

4.55

#397BAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#397BAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BAE

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BAE	#FFFFFF	#000000	##000000
##397BAE	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647CB0

Deuteranopia (green-blind)

#5471AD

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397bae;
/* rgb */ color: rgb(57, 123, 174);
/* oklch */ color: oklch(56.3% 0.104 244.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#397bae",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 174
  },
  "hsl": {
    "h": 206.154,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56313,
    "c": 0.10388,
    "h": 244.6
  },
  "luminance": 0.18092
}

Semantic roles & 50–950 ramp

primary

#397BAE

secondary

#C39D80

accent

#8B4EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #397BAE

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

Preview Lab → · Contrast checker → · Palette generator →