#387FB3#387FB3

#387FB3 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.5% C 0.107 H 243.5°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#387FB3
RGB	rgb(56, 127, 179)
HSL	hsl(205, 52%, 46%)
HSV	hsv(205, 69%, 70%)
CMYK	cmyk(68.7%, 29.1%, 0%, 29.8%)
CIE-LAB	lab(51.00, -5.16, -33.94)
CIE-LCH	lch(51.00, 34.33, 261.36°)
OKLab	oklab(57.49% -0.0478 -0.0958)
OKLCH	oklch(57.49% 0.107 243.5)
XYZ	xyz(17.3538, 19.2723, 45.4444)
Luminance	0.1927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387FB3 #B36C38

analogous

#38B3A9 #387FB3 #3841B3

triadic

#387FB3 #B3387F #7FB338

tetradic

#387FB3 #A938B3 #B36C38 #41B338

square

#387FB3 #A938B3 #B36C38 #41B338

split-complementary

#387FB3 #B33841 #B3A938

monochromatic

#1B3D56 #295E84 #387FB3 #5C9DCC #8BB9DB

Accessibility & contrast

On white

4.33

#387FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#387FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387FB3

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387FB3	#FFFFFF	#000000	##000000
##387FB3	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6880B5

Deuteranopia (green-blind)

#5774B2

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #387fb3;
/* rgb */ color: rgb(56, 127, 179);
/* oklch */ color: oklch(57.5% 0.107 243.5);

Tailwind

colors: {
  custom: {
    50: '#7da3ca',
    500: '#387fb3',
    950: '#000000',
  },
}

SCSS

$custom: #387fb3;
$custom-light: #7da3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#387fb3",
  "rgb": {
    "r": 56,
    "g": 127,
    "b": 179
  },
  "hsl": {
    "h": 205.366,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.57486,
    "c": 0.1071,
    "h": 243.5
  },
  "luminance": 0.19274
}

Semantic roles & 50–950 ramp

primary

#387FB3

secondary

#C59E82

accent

#894CDC

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #387FB3

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

Preview Lab → · Contrast checker → · Palette generator →