#387EBB#387EBB

#387EBB is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.118 H 247.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#387EBB
RGB	rgb(56, 126, 187)
HSL	hsl(208, 54%, 48%)
HSV	hsv(208, 70%, 73%)
CMYK	cmyk(70.1%, 32.6%, 0%, 26.7%)
CIE-LAB	lab(51.09, -1.75, -38.40)
CIE-LCH	lch(51.09, 38.44, 267.39°)
OKLab	oklab(57.68% -0.0444 -0.1088)
OKLCH	oklch(57.68% 0.118 247.8)
XYZ	xyz(18.0580, 19.3484, 49.7870)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387EBB #BB7538

analogous

#38BBB6 #387EBB #383DBB

triadic

#387EBB #BB387E #7EBB38

tetradic

#387EBB #B638BB #BB7538 #3DBB38

square

#387EBB #B638BB #BB7538 #3DBB38

split-complementary

#387EBB #BB383D #BBB638

monochromatic

#1C3F5D #2A5E8C #387EBB #619CD0 #90B9DE

Accessibility & contrast

On white

4.31

#387EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#387EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387EBB

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387EBB	#FFFFFF	#000000	##000000
##387EBB	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6381BE

Deuteranopia (green-blind)

#5074BA

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #387ebb;
/* rgb */ color: rgb(56, 126, 187);
/* oklch */ color: oklch(57.7% 0.118 247.8);

Tailwind

colors: {
  custom: {
    50: '#7ea3d0',
    500: '#387ebb',
    950: '#000000',
  },
}

SCSS

$custom: #387ebb;
$custom-light: #7ea3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#387ebb",
  "rgb": {
    "r": 56,
    "g": 126,
    "b": 187
  },
  "hsl": {
    "h": 207.939,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57682,
    "c": 0.11753,
    "h": 247.8
  },
  "luminance": 0.1935
}

Semantic roles & 50–950 ramp

primary

#387EBB

secondary

#C8A586

accent

#8F4BDD

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #387EBB

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

Preview Lab → · Contrast checker → · Palette generator →