#377AC1#377AC1

#377AC1 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.1% C 0.129 H 252.2°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#377AC1
RGB	rgb(55, 122, 193)
HSL	hsl(211, 56%, 49%)
HSV	hsv(211, 72%, 76%)
CMYK	cmyk(71.5%, 36.8%, 0%, 24.3%)
CIE-LAB	lab(50.19, 2.66, -43.27)
CIE-LCH	lch(50.19, 43.35, 273.51°)
OKLab	oklab(57.07% -0.0395 -0.1231)
OKLCH	oklch(57.07% 0.129 252.2)
XYZ	xyz(18.1571, 18.5796, 53.0710)
Luminance	0.1858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377AC1 #C17E37

analogous

#37BFC1 #377AC1 #3937C1

triadic

#377AC1 #C1377A #7AC137

tetradic

#377AC1 #C137BF #C17E37 #37C139

square

#377AC1 #C137BF #C17E37 #37C139

split-complementary

#377AC1 #C13937 #BFC137

monochromatic

#1C3E62 #295C91 #377AC1 #6399D2 #92B8E0

Accessibility & contrast

On white

4.45

#377AC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#377AC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377AC1

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377AC1	#FFFFFF	#000000	##000000
##377AC1	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7EC4

Deuteranopia (green-blind)

#4572C0

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #377ac1;
/* rgb */ color: rgb(55, 122, 193);
/* oklch */ color: oklch(57.1% 0.129 252.2);

Tailwind

colors: {
  custom: {
    50: '#7ea0d4',
    500: '#377ac1',
    950: '#000000',
  },
}

SCSS

$custom: #377ac1;
$custom-light: #7ea0d4;
$custom-dark: #000000;

JSON

{
  "hex": "#377ac1",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 193
  },
  "hsl": {
    "h": 210.87,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57066,
    "c": 0.12929,
    "h": 252.2
  },
  "luminance": 0.18582
}

Semantic roles & 50–950 ramp

primary

#377AC1

secondary

#CBAB89

accent

#9649DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #377AC1

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

Preview Lab → · Contrast checker → · Palette generator →