#376BB3#376BB3

#376BB3 is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.8% C 0.127 H 257.1°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#376BB3
RGB	rgb(55, 107, 179)
HSL	hsl(215, 53%, 46%)
HSV	hsv(215, 69%, 70%)
CMYK	cmyk(69.3%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(45.05, 6.84, -43.34)
CIE-LCH	lch(45.05, 43.87, 278.97°)
OKLab	oklab(52.81% -0.0284 -0.1235)
OKLCH	oklch(52.81% 0.127 257.1)
XYZ	xyz(14.9670, 14.5807, 44.6647)
Luminance	0.1458 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376BB3 #B37F37

analogous

#37A9B3 #376BB3 #4137B3

triadic

#376BB3 #B3376B #6BB337

tetradic

#376BB3 #B337A9 #B37F37 #37B341

square

#376BB3 #B337A9 #B37F37 #37B341

split-complementary

#376BB3 #B34137 #A9B337

monochromatic

#1A3355 #294F84 #376BB3 #5B8ACD #8AACDB

Accessibility & contrast

On white

5.36

#376BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#376BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376BB3

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376BB3	#FFFFFF	#000000	##FFFFFF
##376BB3	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A71B6

Deuteranopia (green-blind)

#3765B2

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #376bb3;
/* rgb */ color: rgb(55, 107, 179);
/* oklch */ color: oklch(52.8% 0.127 257.1);

Tailwind

colors: {
  custom: {
    50: '#7c94ca',
    500: '#376bb3',
    950: '#000000',
  },
}

SCSS

$custom: #376bb3;
$custom-light: #7c94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#376bb3",
  "rgb": {
    "r": 55,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 214.839,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52811,
    "c": 0.12675,
    "h": 257.1
  },
  "luminance": 0.14582
}

Semantic roles & 50–950 ramp

primary

#376BB3

secondary

#C5A881

accent

#A04BDC

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376BB3

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

Preview Lab → · Contrast checker → · Palette generator →