#378CAB#378CAB

#378CAB is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.2% C 0.093 H 225.8°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#378CAB
RGB	rgb(55, 140, 171)
HSL	hsl(196, 51%, 44%)
HSV	hsv(196, 68%, 67%)
CMYK	cmyk(67.8%, 18.1%, 0%, 32.9%)
CIE-LAB	lab(54.56, -15.41, -23.82)
CIE-LCH	lch(54.56, 28.37, 237.09°)
OKLab	oklab(60.19% -0.0648 -0.0666)
OKLCH	oklch(60.19% 0.093 225.8)
XYZ	xyz(18.3014, 22.5067, 41.8999)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378CAB #AB5637

analogous

#37AB90 #378CAB #3752AB

triadic

#378CAB #AB378C #8CAB37

tetradic

#378CAB #9037AB #AB5637 #52AB37

square

#378CAB #9037AB #AB5637 #52AB37

split-complementary

#378CAB #AB3752 #AB9037

monochromatic

#19404E #28667D #378CAB #56AAC9 #85C2D8

Accessibility & contrast

On white

3.82

#378CAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#378CAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378CAB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378CAB	#FFFFFF	#000000	##000000
##378CAB	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B89AD

Deuteranopia (green-blind)

#6B7DAB

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #378cab;
/* rgb */ color: rgb(55, 140, 171);
/* oklch */ color: oklch(60.2% 0.093 225.8);

Tailwind

colors: {
  custom: {
    50: '#7cadc4',
    500: '#378cab',
    950: '#000000',
  },
}

SCSS

$custom: #378cab;
$custom-light: #7cadc4;
$custom-dark: #000000;

JSON

{
  "hex": "#378cab",
  "rgb": {
    "r": 55,
    "g": 140,
    "b": 171
  },
  "hsl": {
    "h": 196.034,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.6019,
    "c": 0.09293,
    "h": 225.8
  },
  "luminance": 0.22509
}

Semantic roles & 50–950 ramp

primary

#378CAB

secondary

#C18F7C

accent

#734DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #378CAB

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

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