#377DCA#377DCA

#377DCA is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.3% C 0.138 H 253.1°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#377DCA
RGB	rgb(55, 125, 202)
HSL	hsl(211, 58%, 50%)
HSV	hsv(211, 73%, 79%)
CMYK	cmyk(72.8%, 38.1%, 0%, 20.8%)
CIE-LAB	lab(51.54, 4.09, -46.27)
CIE-LCH	lch(51.54, 46.45, 275.05°)
OKLab	oklab(58.28% -0.0401 -0.1318)
OKLCH	oklch(58.28% 0.138 253.1)
XYZ	xyz(19.5659, 19.7415, 58.6450)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DCA #CA8437

analogous

#37C6CA #377DCA #3B37CA

triadic

#377DCA #CA377D #7DCA37

tetradic

#377DCA #CA37C6 #CA8437 #37CA3B

square

#377DCA #CA37C6 #CA8437 #37CA3B

split-complementary

#377DCA #CA3B37 #C6CA37

monochromatic

#1C416A #295F9B #377DCA #679CD7 #98BCE4

Accessibility & contrast

On white

4.24

#377DCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#377DCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DCA

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DCA	#FFFFFF	#000000	##000000
##377DCA	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5982CD

Deuteranopia (green-blind)

#4375C8

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #377dca;
/* rgb */ color: rgb(55, 125, 202);
/* oklch */ color: oklch(58.3% 0.138 253.1);

Tailwind

colors: {
  custom: {
    50: '#80a2da',
    500: '#377dca',
    950: '#000000',
  },
}

SCSS

$custom: #377dca;
$custom-light: #80a2da;
$custom-dark: #000000;

JSON

{
  "hex": "#377dca",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 202
  },
  "hsl": {
    "h": 211.429,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5828,
    "c": 0.13781,
    "h": 253.1
  },
  "luminance": 0.19744
}

Semantic roles & 50–950 ramp

primary

#377DCA

secondary

#CFB08E

accent

#9846E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #377DCA

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

Preview Lab → · Contrast checker → · Palette generator →