#378FAE#378FAE

#378FAE is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.1% C 0.095 H 225.0°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#378FAE
RGB	rgb(55, 143, 174)
HSL	hsl(196, 52%, 45%)
HSV	hsv(196, 68%, 68%)
CMYK	cmyk(68.4%, 17.8%, 0%, 31.8%)
CIE-LAB	lab(55.59, -16.07, -23.94)
CIE-LCH	lch(55.59, 28.83, 236.14°)
OKLab	oklab(61.06% -0.0668 -0.0669)
OKLCH	oklch(61.06% 0.095 225)
XYZ	xyz(19.0349, 23.5110, 43.5711)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378FAE #AE5637

analogous

#37AE91 #378FAE #3754AE

triadic

#378FAE #AE378F #8FAE37

tetradic

#378FAE #9137AE #AE5637 #54AE37

square

#378FAE #9137AE #AE5637 #54AE37

split-complementary

#378FAE #AE3754 #AE9137

monochromatic

#1A4351 #28697F #378FAE #58ACCA #86C3D9

Accessibility & contrast

On white

3.68

#378FAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#378FAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FAE

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378FAE	#FFFFFF	#000000	##000000
##378FAE	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8CB0

Deuteranopia (green-blind)

#6D80AE

Tritanopia (blue-blind)

#009899

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #378fae;
/* rgb */ color: rgb(55, 143, 174);
/* oklch */ color: oklch(61.1% 0.095 225.0);

Tailwind

colors: {
  custom: {
    50: '#7cafc6',
    500: '#378fae',
    950: '#000000',
  },
}

SCSS

$custom: #378fae;
$custom-light: #7cafc6;
$custom-dark: #000000;

JSON

{
  "hex": "#378fae",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 174
  },
  "hsl": {
    "h": 195.63,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.61057,
    "c": 0.09458,
    "h": 225
  },
  "luminance": 0.23513
}

Semantic roles & 50–950 ramp

primary

#378FAE

secondary

#C3907E

accent

#724CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #378FAE

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

Preview Lab → · Contrast checker → · Palette generator →