#387BB5#387BB5

#387BB5 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.7% C 0.113 H 247.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#387BB5
RGB	rgb(56, 123, 181)
HSL	hsl(208, 53%, 46%)
HSV	hsv(208, 69%, 71%)
CMYK	cmyk(69.1%, 32%, 0%, 29%)
CIE-LAB	lab(49.91, -2.09, -36.82)
CIE-LCH	lch(49.91, 36.87, 266.75°)
OKLab	oklab(56.65% -0.0431 -0.1042)
OKLCH	oklch(56.65% 0.113 247.5)
XYZ	xyz(17.0512, 18.3411, 46.3487)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387BB5 #B57238

analogous

#38B5B1 #387BB5 #383DB5

triadic

#387BB5 #B5387B #7BB538

tetradic

#387BB5 #B138B5 #B57238 #3DB538

square

#387BB5 #B138B5 #B57238 #3DB538

split-complementary

#387BB5 #B5383D #B5B138

monochromatic

#1B3B58 #2A5B86 #387BB5 #5D99CD #8CB7DB

Accessibility & contrast

On white

4.50

#387BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#387BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387BB5

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387BB5	#FFFFFF	#000000	##000000
##387BB5	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617DB7

Deuteranopia (green-blind)

#5071B4

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #387bb5;
/* rgb */ color: rgb(56, 123, 181);
/* oklch */ color: oklch(56.7% 0.113 247.5);

Tailwind

colors: {
  custom: {
    50: '#7da0cb',
    500: '#387bb5',
    950: '#000000',
  },
}

SCSS

$custom: #387bb5;
$custom-light: #7da0cb;
$custom-dark: #000000;

JSON

{
  "hex": "#387bb5",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 181
  },
  "hsl": {
    "h": 207.84,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56652,
    "c": 0.1128,
    "h": 247.5
  },
  "luminance": 0.18343
}

Semantic roles & 50–950 ramp

primary

#387BB5

secondary

#C6A283

accent

#8F4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #387BB5

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

Preview Lab → · Contrast checker → · Palette generator →