#387BB3#387BB3

#387BB3 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.110 H 246.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#387BB3
RGB	rgb(56, 123, 179)
HSL	hsl(207, 52%, 46%)
HSV	hsv(207, 69%, 70%)
CMYK	cmyk(68.7%, 31.3%, 0%, 29.8%)
CIE-LAB	lab(49.81, -2.79, -35.81)
CIE-LCH	lch(49.81, 35.92, 265.54°)
OKLab	oklab(56.54% -0.0437 -0.1013)
OKLCH	oklch(56.54% 0.11 246.6)
XYZ	xyz(16.8475, 18.2596, 45.2756)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387BB3 #B37038

analogous

#38B3AD #387BB3 #383EB3

triadic

#387BB3 #B3387B #7BB338

tetradic

#387BB3 #AD38B3 #B37038 #3EB338

square

#387BB3 #AD38B3 #B37038 #3EB338

split-complementary

#387BB3 #B3383E #B3AD38

monochromatic

#1B3B56 #295B84 #387BB3 #5C99CC #8BB6DB

Accessibility & contrast

On white

4.51

#387BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#387BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387BB3

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387BB3	#FFFFFF	#000000	##000000
##387BB3	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627DB5

Deuteranopia (green-blind)

#5171B2

Tritanopia (blue-blind)

#00888F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #387bb3;
/* rgb */ color: rgb(56, 123, 179);
/* oklch */ color: oklch(56.5% 0.110 246.6);

Tailwind

colors: {
  custom: {
    50: '#7ca0ca',
    500: '#387bb3',
    950: '#000000',
  },
}

SCSS

$custom: #387bb3;
$custom-light: #7ca0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#387bb3",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 179
  },
  "hsl": {
    "h": 207.317,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56543,
    "c": 0.11035,
    "h": 246.6
  },
  "luminance": 0.18261
}

Semantic roles & 50–950 ramp

primary

#387BB3

secondary

#C5A082

accent

#8D4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #387BB3

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

Preview Lab → · Contrast checker → · Palette generator →