#377AAE#377AAE

#377AAE is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.0% C 0.106 H 244.8°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#377AAE
RGB	rgb(55, 122, 174)
HSL	hsl(206, 52%, 45%)
HSV	hsv(206, 68%, 68%)
CMYK	cmyk(68.4%, 29.9%, 0%, 31.8%)
CIE-LAB	lab(49.23, -4.12, -33.82)
CIE-LCH	lch(49.23, 34.07, 263.05°)
OKLab	oklab(56% -0.0449 -0.0955)
OKLCH	oklch(56% 0.106 244.8)
XYZ	xyz(16.1722, 17.7856, 42.6169)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377AAE #AE6B37

analogous

#37AEA6 #377AAE #373FAE

triadic

#377AAE #AE377A #7AAE37

tetradic

#377AAE #A637AE #AE6B37 #3FAE37

square

#377AAE #A637AE #AE6B37 #3FAE37

split-complementary

#377AAE #AE373F #AEA637

monochromatic

#1A3951 #28597F #377AAE #5898CA #86B5D9

Accessibility & contrast

On white

4.61

#377AAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#377AAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #377AAE

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377AAE	#FFFFFF	#000000	##FFFFFF
##377AAE	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637BB0

Deuteranopia (green-blind)

#5270AD

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #377aae;
/* rgb */ color: rgb(55, 122, 174);
/* oklch */ color: oklch(56.0% 0.106 244.8);

Tailwind

colors: {
  custom: {
    50: '#7ba0c6',
    500: '#377aae',
    950: '#000000',
  },
}

SCSS

$custom: #377aae;
$custom-light: #7ba0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#377aae",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 174
  },
  "hsl": {
    "h": 206.218,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56001,
    "c": 0.10558,
    "h": 244.8
  },
  "luminance": 0.17787
}

Semantic roles & 50–950 ramp

primary

#377AAE

secondary

#C39C7E

accent

#8B4CDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #377AAE

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

Preview Lab → · Contrast checker → · Palette generator →