#397BCD#397BCD

#397BCD is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.1% C 0.143 H 255.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#397BCD
RGB	rgb(57, 123, 205)
HSL	hsl(213, 60%, 51%)
HSV	hsv(213, 72%, 80%)
CMYK	cmyk(72.2%, 40%, 0%, 19.6%)
CIE-LAB	lab(51.20, 6.68, -48.52)
CIE-LCH	lch(51.20, 48.98, 277.83°)
OKLab	oklab(58.08% -0.0362 -0.1385)
OKLCH	oklch(58.08% 0.143 255.3)
XYZ	xyz(19.7857, 19.4414, 60.4556)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BCD #CD8B39

analogous

#39C5CD #397BCD #4139CD

triadic

#397BCD #CD397B #7BCD39

tetradic

#397BCD #CD39C5 #CD8B39 #39CD41

square

#397BCD #CD39C5 #CD8B39 #39CD41

split-complementary

#397BCD #CD4139 #C5CD39

monochromatic

#1C416F #285EA0 #397BCD #6A9CD9 #9BBCE6

Accessibility & contrast

On white

4.30

#397BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#397BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BCD

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BCD	#FFFFFF	#000000	##000000
##397BCD	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5481D0

Deuteranopia (green-blind)

#3D74CB

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397bcd;
/* rgb */ color: rgb(57, 123, 205);
/* oklch */ color: oklch(58.1% 0.143 255.3);

Tailwind

colors: {
  custom: {
    50: '#81a0dd',
    500: '#397bcd',
    950: '#000000',
  },
}

SCSS

$custom: #397bcd;
$custom-light: #81a0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#397bcd",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 205
  },
  "hsl": {
    "h": 213.243,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58084,
    "c": 0.14312,
    "h": 255.3
  },
  "luminance": 0.19444
}

Semantic roles & 50–950 ramp

primary

#397BCD

secondary

#D2B490

accent

#9C45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #397BCD

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

Preview Lab → · Contrast checker → · Palette generator →