#377BAC#377BAC

#377BAC is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.102 H 242.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#377BAC
RGB	rgb(55, 123, 172)
HSL	hsl(205, 52%, 45%)
HSV	hsv(205, 68%, 67%)
CMYK	cmyk(68%, 28.5%, 0%, 32.5%)
CIE-LAB	lab(49.44, -5.41, -32.34)
CIE-LCH	lch(49.44, 32.79, 260.50°)
OKLab	oklab(56.13% -0.0466 -0.0912)
OKLCH	oklch(56.13% 0.102 242.9)
XYZ	xyz(16.1021, 17.9550, 41.6388)
Luminance	0.1796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377BAC #AC6837

analogous

#37ACA3 #377BAC #3741AC

triadic

#377BAC #AC377B #7BAC37

tetradic

#377BAC #A337AC #AC6837 #41AC37

square

#377BAC #A337AC #AC6837 #41AC37

split-complementary

#377BAC #AC3741 #ACA337

monochromatic

#19394F #285A7E #377BAC #5799C9 #85B5D8

Accessibility & contrast

On white

4.57

#377BAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#377BAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377BAC

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377BAC	#FFFFFF	#000000	##000000
##377BAC	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657CAE

Deuteranopia (green-blind)

#5570AB

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377bac;
/* rgb */ color: rgb(55, 123, 172);
/* oklch */ color: oklch(56.1% 0.102 242.9);

Tailwind

colors: {
  custom: {
    50: '#7ba1c5',
    500: '#377bac',
    950: '#000000',
  },
}

SCSS

$custom: #377bac;
$custom-light: #7ba1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#377bac",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 172
  },
  "hsl": {
    "h": 205.128,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56134,
    "c": 0.10244,
    "h": 242.9
  },
  "luminance": 0.17957
}

Semantic roles & 50–950 ramp

primary

#377BAC

secondary

#C29A7D

accent

#884DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #377BAC

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

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