#387FBB#387FBB

#387FBB is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.117 H 247.1°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#387FBB
RGB	rgb(56, 127, 187)
HSL	hsl(207, 54%, 48%)
HSV	hsv(207, 70%, 73%)
CMYK	cmyk(70.1%, 32.1%, 0%, 26.7%)
CIE-LAB	lab(51.39, -2.35, -37.94)
CIE-LCH	lch(51.39, 38.01, 266.46°)
OKLab	oklab(57.92% -0.0454 -0.1074)
OKLCH	oklch(57.92% 0.117 247.1)
XYZ	xyz(18.1865, 19.6054, 49.8298)
Luminance	0.1961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387FBB #BB7438

analogous

#38BBB5 #387FBB #383EBB

triadic

#387FBB #BB387F #7FBB38

tetradic

#387FBB #B538BB #BB7438 #3EBB38

square

#387FBB #B538BB #BB7438 #3EBB38

split-complementary

#387FBB #BB383E #BBB538

monochromatic

#1C3F5D #2A5F8C #387FBB #619DD0 #90BADE

Accessibility & contrast

On white

4.27

#387FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#387FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387FBB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387FBB	#FFFFFF	#000000	##000000
##387FBB	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BE

Deuteranopia (green-blind)

#5275BA

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #387fbb;
/* rgb */ color: rgb(56, 127, 187);
/* oklch */ color: oklch(57.9% 0.117 247.1);

Tailwind

colors: {
  custom: {
    50: '#7ea3cf',
    500: '#387fbb',
    950: '#000000',
  },
}

SCSS

$custom: #387fbb;
$custom-light: #7ea3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#387fbb",
  "rgb": {
    "r": 56,
    "g": 127,
    "b": 187
  },
  "hsl": {
    "h": 207.481,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57915,
    "c": 0.11664,
    "h": 247.1
  },
  "luminance": 0.19607
}

Semantic roles & 50–950 ramp

primary

#387FBB

secondary

#C8A586

accent

#8E4BDD

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #387FBB

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

Preview Lab → · Contrast checker → · Palette generator →