#387CBB#387CBB

#387CBB is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.2% C 0.119 H 249.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#387CBB
RGB	rgb(56, 124, 187)
HSL	hsl(209, 54%, 48%)
HSV	hsv(209, 70%, 73%)
CMYK	cmyk(70.1%, 33.7%, 0%, 26.7%)
CIE-LAB	lab(50.50, -0.56, -39.34)
CIE-LCH	lch(50.50, 39.34, 269.19°)
OKLab	oklab(57.22% -0.0424 -0.1116)
OKLCH	oklch(57.22% 0.119 249.2)
XYZ	xyz(17.8048, 18.8420, 49.7026)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387CBB #BB7738

analogous

#38BBB8 #387CBB #383BBB

triadic

#387CBB #BB387C #7CBB38

tetradic

#387CBB #B838BB #BB7738 #3BBB38

square

#387CBB #B838BB #BB7738 #3BBB38

split-complementary

#387CBB #BB383B #BBB838

monochromatic

#1C3E5D #2A5D8C #387CBB #619AD0 #90B8DE

Accessibility & contrast

On white

4.40

#387CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#387CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387CBB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387CBB	#FFFFFF	#000000	##000000
##387CBB	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607FBE

Deuteranopia (green-blind)

#4D73BA

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #387cbb;
/* rgb */ color: rgb(56, 124, 187);
/* oklch */ color: oklch(57.2% 0.119 249.2);

Tailwind

colors: {
  custom: {
    50: '#7ea1d0',
    500: '#387cbb',
    950: '#000000',
  },
}

SCSS

$custom: #387cbb;
$custom-light: #7ea1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#387cbb",
  "rgb": {
    "r": 56,
    "g": 124,
    "b": 187
  },
  "hsl": {
    "h": 208.855,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57218,
    "c": 0.11935,
    "h": 249.2
  },
  "luminance": 0.18844
}

Semantic roles & 50–950 ramp

primary

#387CBB

secondary

#C8A686

accent

#914BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #387CBB

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

Preview Lab → · Contrast checker → · Palette generator →