#378DAE#378DAE

#378DAE is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.6% C 0.095 H 227.1°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#378DAE
RGB	rgb(55, 141, 174)
HSL	hsl(197, 52%, 45%)
HSV	hsv(197, 68%, 68%)
CMYK	cmyk(68.4%, 19%, 0%, 31.8%)
CIE-LAB	lab(54.99, -14.97, -24.88)
CIE-LCH	lch(54.99, 29.04, 238.96°)
OKLab	oklab(60.57% -0.0647 -0.0696)
OKLCH	oklch(60.57% 0.095 227.1)
XYZ	xyz(18.7373, 22.9159, 43.4719)
Luminance	0.2292 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DAE #AE5837

analogous

#37AE94 #378DAE #3751AE

triadic

#378DAE #AE378D #8DAE37

tetradic

#378DAE #9437AE #AE5837 #51AE37

square

#378DAE #9437AE #AE5837 #51AE37

split-complementary

#378DAE #AE3751 #AE9437

monochromatic

#1A4251 #28677F #378DAE #58ABCA #86C2D9

Accessibility & contrast

On white

3.76

#378DAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#378DAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DAE

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DAE	#FFFFFF	#000000	##000000
##378DAE	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8AB0

Deuteranopia (green-blind)

#6B7EAE

Tritanopia (blue-blind)

#009798

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #378dae;
/* rgb */ color: rgb(55, 141, 174);
/* oklch */ color: oklch(60.6% 0.095 227.1);

Tailwind

colors: {
  custom: {
    50: '#7caec6',
    500: '#378dae',
    950: '#000000',
  },
}

SCSS

$custom: #378dae;
$custom-light: #7caec6;
$custom-dark: #000000;

JSON

{
  "hex": "#378dae",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 174
  },
  "hsl": {
    "h": 196.639,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.6057,
    "c": 0.09506,
    "h": 227.1
  },
  "luminance": 0.22918
}

Semantic roles & 50–950 ramp

primary

#378DAE

secondary

#C3917E

accent

#744CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #378DAE

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

Preview Lab → · Contrast checker → · Palette generator →