#387ABB#387ABB

#387ABB is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.121 H 250.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#387ABB
RGB	rgb(56, 122, 187)
HSL	hsl(210, 54%, 48%)
HSV	hsv(210, 70%, 73%)
CMYK	cmyk(70.1%, 34.8%, 0%, 26.7%)
CIE-LAB	lab(49.91, 0.65, -40.27)
CIE-LCH	lch(49.91, 40.27, 270.92°)
OKLab	oklab(56.76% -0.0404 -0.1143)
OKLCH	oklch(56.76% 0.121 250.5)
XYZ	xyz(17.5567, 18.3458, 49.6199)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387ABB #BB7938

analogous

#38BBBA #387ABB #3839BB

triadic

#387ABB #BB387A #7ABB38

tetradic

#387ABB #BA38BB #BB7938 #39BB38

square

#387ABB #BA38BB #BB7938 #39BB38

split-complementary

#387ABB #BB3839 #BBBA38

monochromatic

#1C3D5D #2A5B8C #387ABB #6199D0 #90B7DE

Accessibility & contrast

On white

4.50

#387ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#387ABB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387ABB

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

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

#5D7EBE

Deuteranopia (green-blind)

#4A71BA

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #387abb;
/* rgb */ color: rgb(56, 122, 187);
/* oklch */ color: oklch(56.8% 0.121 250.5);

Tailwind

colors: {
  custom: {
    50: '#7ea0d0',
    500: '#387abb',
    950: '#000000',
  },
}

SCSS

$custom: #387abb;
$custom-light: #7ea0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#387abb",
  "rgb": {
    "r": 56,
    "g": 122,
    "b": 187
  },
  "hsl": {
    "h": 209.771,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56755,
    "c": 0.12125,
    "h": 250.5
  },
  "luminance": 0.18348
}

Semantic roles & 50–950 ramp

primary

#387ABB

secondary

#C8A786

accent

#934BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #387ABB

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

Preview Lab → · Contrast checker → · Palette generator →