#377FCD#377FCD

#377FCD is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.9% C 0.140 H 252.8°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#377FCD
RGB	rgb(55, 127, 205)
HSL	hsl(211, 60%, 51%)
HSV	hsv(211, 73%, 80%)
CMYK	cmyk(73.2%, 38%, 0%, 19.6%)
CIE-LAB	lab(52.28, 3.96, -46.80)
CIE-LCH	lch(52.28, 46.97, 274.84°)
OKLab	oklab(58.91% -0.0412 -0.1334)
OKLCH	oklch(58.91% 0.14 252.8)
XYZ	xyz(20.1803, 20.3965, 60.6191)
Luminance	0.2040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377FCD #CD8537

analogous

#37CACD #377FCD #3A37CD

triadic

#377FCD #CD377F #7FCD37

tetradic

#377FCD #CD37CA #CD8537 #37CD3A

square

#377FCD #CD37CA #CD8537 #37CD3A

split-complementary

#377FCD #CD3A37 #CACD37

monochromatic

#1C436E #28619F #377FCD #689ED9 #99BEE5

Accessibility & contrast

On white

4.13

#377FCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#377FCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377FCD

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377FCD	#FFFFFF	#000000	##000000
##377FCD	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B84D0

Deuteranopia (green-blind)

#4476CB

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #377fcd;
/* rgb */ color: rgb(55, 127, 205);
/* oklch */ color: oklch(58.9% 0.140 252.8);

Tailwind

colors: {
  custom: {
    50: '#81a3dc',
    500: '#377fcd',
    950: '#000000',
  },
}

SCSS

$custom: #377fcd;
$custom-light: #81a3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#377fcd",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 205
  },
  "hsl": {
    "h": 211.2,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5891,
    "c": 0.13959,
    "h": 252.8
  },
  "luminance": 0.20399
}

Semantic roles & 50–950 ramp

primary

#377FCD

secondary

#D1B18F

accent

#9745E3

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #377FCD

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

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