#397EBC#397EBC

#397EBC is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.118 H 248.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#397EBC
RGB	rgb(57, 126, 188)
HSL	hsl(208, 53%, 48%)
HSV	hsv(208, 70%, 74%)
CMYK	cmyk(69.7%, 33%, 0%, 26.3%)
CIE-LAB	lab(51.18, -1.24, -38.84)
CIE-LCH	lch(51.18, 38.86, 268.17°)
OKLab	oklab(57.77% -0.0434 -0.1101)
OKLCH	oklch(57.77% 0.118 248.5)
XYZ	xyz(18.2219, 19.4205, 50.3554)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EBC #BC7739

analogous

#39BCB8 #397EBC #393DBC

triadic

#397EBC #BC397E #7EBC39

tetradic

#397EBC #B839BC #BC7739 #3DBC39

square

#397EBC #B839BC #BC7739 #3DBC39

split-complementary

#397EBC #BC393D #BCB839

monochromatic

#1D3F5E #2B5F8D #397EBC #639CD0 #92BADE

Accessibility & contrast

On white

4.30

#397EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#397EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EBC

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EBC	#FFFFFF	#000000	##000000
##397EBC	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6281BF

Deuteranopia (green-blind)

#5074BB

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397ebc;
/* rgb */ color: rgb(57, 126, 188);
/* oklch */ color: oklch(57.8% 0.118 248.5);

Tailwind

colors: {
  custom: {
    50: '#7ea3d0',
    500: '#397ebc',
    950: '#000000',
  },
}

SCSS

$custom: #397ebc;
$custom-light: #7ea3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#397ebc",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 188
  },
  "hsl": {
    "h": 208.397,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57773,
    "c": 0.11836,
    "h": 248.5
  },
  "luminance": 0.19422
}

Semantic roles & 50–950 ramp

primary

#397EBC

secondary

#C9A788

accent

#904BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #397EBC

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

Preview Lab → · Contrast checker → · Palette generator →