#378ABD#378ABD

#378ABD is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.6% C 0.111 H 239.5°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#378ABD
RGB	rgb(55, 138, 189)
HSL	hsl(203, 55%, 48%)
HSV	hsv(203, 71%, 74%)
CMYK	cmyk(70.9%, 27%, 0%, 25.9%)
CIE-LAB	lab(54.72, -8.21, -33.86)
CIE-LCH	lch(54.72, 34.84, 256.38°)
OKLab	oklab(60.57% -0.0563 -0.0955)
OKLCH	oklch(60.57% 0.111 239.5)
XYZ	xyz(19.8458, 22.6611, 51.4624)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378ABD #BD6A37

analogous

#37BDAD #378ABD #3747BD

triadic

#378ABD #BD378A #8ABD37

tetradic

#378ABD #AD37BD #BD6A37 #47BD37

square

#378ABD #AD37BD #BD6A37 #47BD37

split-complementary

#378ABD #BD3747 #BDAD37

monochromatic

#1B455E #29678E #378ABD #60A6D1 #90C1DF

Accessibility & contrast

On white

3.80

#378ABD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#378ABD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378ABD

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378ABD	#FFFFFF	#000000	##000000
##378ABD	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#728ABF

Deuteranopia (green-blind)

#607DBC

Tritanopia (blue-blind)

#00979C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378abd;
/* rgb */ color: rgb(55, 138, 189);
/* oklch */ color: oklch(60.6% 0.111 239.5);

Tailwind

colors: {
  custom: {
    50: '#7eacd1',
    500: '#378abd',
    950: '#000000',
  },
}

SCSS

$custom: #378abd;
$custom-light: #7eacd1;
$custom-dark: #000000;

JSON

{
  "hex": "#378abd",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 189
  },
  "hsl": {
    "h": 202.836,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.60571,
    "c": 0.11086,
    "h": 239.5
  },
  "luminance": 0.22663
}

Semantic roles & 50–950 ramp

primary

#378ABD

secondary

#C9A086

accent

#824ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378ABD

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

Preview Lab → · Contrast checker → · Palette generator →