#387EB3#387EB3

#387EB3 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.108 H 244.3°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#387EB3
RGB	rgb(56, 126, 179)
HSL	hsl(206, 52%, 46%)
HSV	hsv(206, 69%, 70%)
CMYK	cmyk(68.7%, 29.6%, 0%, 29.8%)
CIE-LAB	lab(50.71, -4.57, -34.41)
CIE-LCH	lch(50.71, 34.71, 262.43°)
OKLab	oklab(57.25% -0.0468 -0.0972)
OKLCH	oklch(57.25% 0.108 244.3)
XYZ	xyz(17.2253, 19.0153, 45.4016)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387EB3 #B36D38

analogous

#38B3AA #387EB3 #3840B3

triadic

#387EB3 #B3387E #7EB338

tetradic

#387EB3 #AA38B3 #B36D38 #40B338

square

#387EB3 #AA38B3 #B36D38 #40B338

split-complementary

#387EB3 #B33840 #B3AA38

monochromatic

#1B3C56 #295D84 #387EB3 #5C9CCC #8BB8DB

Accessibility & contrast

On white

4.37

#387EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#387EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387EB3

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387EB3	#FFFFFF	#000000	##000000
##387EB3	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB5

Deuteranopia (green-blind)

#5573B2

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #387eb3;
/* rgb */ color: rgb(56, 126, 179);
/* oklch */ color: oklch(57.3% 0.108 244.3);

Tailwind

colors: {
  custom: {
    50: '#7da3ca',
    500: '#387eb3',
    950: '#000000',
  },
}

SCSS

$custom: #387eb3;
$custom-light: #7da3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#387eb3",
  "rgb": {
    "r": 56,
    "g": 126,
    "b": 179
  },
  "hsl": {
    "h": 205.854,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5725,
    "c": 0.10788,
    "h": 244.3
  },
  "luminance": 0.19017
}

Semantic roles & 50–950 ramp

primary

#387EB3

secondary

#C59F82

accent

#8A4CDC

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #387EB3

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

Preview Lab → · Contrast checker → · Palette generator →