#378ABE#378ABE

#378ABE is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.6% C 0.112 H 240.0°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#378ABE
RGB	rgb(55, 138, 190)
HSL	hsl(203, 55%, 48%)
HSV	hsv(203, 71%, 75%)
CMYK	cmyk(71.1%, 27.4%, 0%, 25.5%)
CIE-LAB	lab(54.77, -7.86, -34.35)
CIE-LCH	lch(54.77, 35.24, 257.11°)
OKLab	oklab(60.62% -0.056 -0.0969)
OKLCH	oklch(60.62% 0.112 240)
XYZ	xyz(19.9547, 22.7047, 52.0360)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378ABE #BE6B37

analogous

#37BEAE #378ABE #3746BE

triadic

#378ABE #BE378A #8ABE37

tetradic

#378ABE #AE37BE #BE6B37 #46BE37

square

#378ABE #AE37BE #BE6B37 #46BE37

split-complementary

#378ABE #BE3746 #BEAE37

monochromatic

#1C455F #29688F #378ABE #61A6D1 #90C1DF

Accessibility & contrast

On white

3.79

#378ABE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#378ABE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378ABE

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378ABE	#FFFFFF	#000000	##000000
##378ABE	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#728AC0

Deuteranopia (green-blind)

#5F7DBD

Tritanopia (blue-blind)

#00979C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378abe;
/* rgb */ color: rgb(55, 138, 190);
/* oklch */ color: oklch(60.6% 0.112 240.0);

Tailwind

colors: {
  custom: {
    50: '#7eacd2',
    500: '#378abe',
    950: '#000000',
  },
}

SCSS

$custom: #378abe;
$custom-light: #7eacd2;
$custom-dark: #000000;

JSON

{
  "hex": "#378abe",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 190
  },
  "hsl": {
    "h": 203.111,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.60622,
    "c": 0.11195,
    "h": 240
  },
  "luminance": 0.22707
}

Semantic roles & 50–950 ramp

primary

#378ABE

secondary

#CAA187

accent

#8349DE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378ABE

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

Preview Lab → · Contrast checker → · Palette generator →