#378CBE#378CBE

#378CBE is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.1% C 0.111 H 238.4°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#378CBE
RGB	rgb(55, 140, 190)
HSL	hsl(202, 55%, 48%)
HSV	hsv(202, 71%, 75%)
CMYK	cmyk(71.1%, 26.3%, 0%, 25.5%)
CIE-LAB	lab(55.36, -9.00, -33.42)
CIE-LCH	lch(55.36, 34.61, 254.93°)
OKLab	oklab(61.1% -0.058 -0.0942)
OKLCH	oklch(61.1% 0.111 238.4)
XYZ	xyz(20.2443, 23.2838, 52.1325)
Luminance	0.2329 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378CBE #BE6937

analogous

#37BEAC #378CBE #3749BE

triadic

#378CBE #BE378C #8CBE37

tetradic

#378CBE #AC37BE #BE6937 #49BE37

square

#378CBE #AC37BE #BE6937 #49BE37

split-complementary

#378CBE #BE3749 #BEAC37

monochromatic

#1C465F #29698F #378CBE #61A8D1 #90C2DF

Accessibility & contrast

On white

3.71

#378CBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#378CBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378CBE

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378CBE	#FFFFFF	#000000	##000000
##378CBE	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758CC0

Deuteranopia (green-blind)

#627FBD

Tritanopia (blue-blind)

#00999D

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #378cbe;
/* rgb */ color: rgb(55, 140, 190);
/* oklch */ color: oklch(61.1% 0.111 238.4);

Tailwind

colors: {
  custom: {
    50: '#7eadd1',
    500: '#378cbe',
    950: '#000000',
  },
}

SCSS

$custom: #378cbe;
$custom-light: #7eadd1;
$custom-dark: #000000;

JSON

{
  "hex": "#378cbe",
  "rgb": {
    "r": 55,
    "g": 140,
    "b": 190
  },
  "hsl": {
    "h": 202.222,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.61095,
    "c": 0.11064,
    "h": 238.4
  },
  "luminance": 0.23286
}

Semantic roles & 50–950 ramp

primary

#378CBE

secondary

#CAA087

accent

#8149DE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378CBE

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

Preview Lab → · Contrast checker → · Palette generator →