#387DB5#387DB5

#387DB5 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.111 H 246.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#387DB5
RGB	rgb(56, 125, 181)
HSL	hsl(207, 53%, 46%)
HSV	hsv(207, 69%, 71%)
CMYK	cmyk(69.1%, 30.9%, 0%, 29%)
CIE-LAB	lab(50.50, -3.28, -35.88)
CIE-LCH	lch(50.50, 36.03, 264.78°)
OKLab	oklab(57.12% -0.0452 -0.1015)
OKLCH	oklch(57.12% 0.111 246)
XYZ	xyz(17.3018, 18.8423, 46.4322)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387DB5 #B57038

analogous

#38B5AF #387DB5 #383FB5

triadic

#387DB5 #B5387D #7DB538

tetradic

#387DB5 #AF38B5 #B57038 #3FB538

square

#387DB5 #AF38B5 #B57038 #3FB538

split-complementary

#387DB5 #B5383F #B5AF38

monochromatic

#1B3C58 #2A5D86 #387DB5 #5D9BCD #8CB8DB

Accessibility & contrast

On white

4.40

#387DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#387DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387DB5

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387DB5	#FFFFFF	#000000	##000000
##387DB5	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)

#647FB7

Deuteranopia (green-blind)

#5373B4

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #387db5;
/* rgb */ color: rgb(56, 125, 181);
/* oklch */ color: oklch(57.1% 0.111 246.0);

Tailwind

colors: {
  custom: {
    50: '#7da2cb',
    500: '#387db5',
    950: '#000000',
  },
}

SCSS

$custom: #387db5;
$custom-light: #7da2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#387db5",
  "rgb": {
    "r": 56,
    "g": 125,
    "b": 181
  },
  "hsl": {
    "h": 206.88,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57121,
    "c": 0.11108,
    "h": 246
  },
  "luminance": 0.18844
}

Semantic roles & 50–950 ramp

primary

#387DB5

secondary

#C6A183

accent

#8C4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #387DB5

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

Preview Lab → · Contrast checker → · Palette generator →