#377EAC#377EAC

#377EAC is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.9% C 0.100 H 240.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#377EAC
RGB	rgb(55, 126, 172)
HSL	hsl(204, 52%, 45%)
HSV	hsv(204, 68%, 67%)
CMYK	cmyk(68%, 26.7%, 0%, 32.5%)
CIE-LAB	lab(50.35, -7.17, -30.92)
CIE-LCH	lch(50.35, 31.74, 256.95°)
OKLab	oklab(56.85% -0.0497 -0.0871)
OKLCH	oklch(56.85% 0.1 240.3)
XYZ	xyz(16.4799, 18.7107, 41.7647)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377EAC #AC6537

analogous

#37ACA0 #377EAC #3743AC

triadic

#377EAC #AC377E #7EAC37

tetradic

#377EAC #A037AC #AC6537 #43AC37

square

#377EAC #A037AC #AC6537 #43AC37

split-complementary

#377EAC #AC3743 #ACA037

monochromatic

#193A4F #285C7E #377EAC #579CC9 #85B8D8

Accessibility & contrast

On white

4.43

#377EAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#377EAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377EAC

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377EAC	#FFFFFF	#000000	##000000
##377EAC	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697EAE

Deuteranopia (green-blind)

#5973AB

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #377eac;
/* rgb */ color: rgb(55, 126, 172);
/* oklch */ color: oklch(56.9% 0.100 240.3);

Tailwind

colors: {
  custom: {
    50: '#7ba3c5',
    500: '#377eac',
    950: '#000000',
  },
}

SCSS

$custom: #377eac;
$custom-light: #7ba3c5;
$custom-dark: #000000;

JSON

{
  "hex": "#377eac",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 172
  },
  "hsl": {
    "h": 203.59,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5685,
    "c": 0.1003,
    "h": 240.3
  },
  "luminance": 0.18712
}

Semantic roles & 50–950 ramp

primary

#377EAC

secondary

#C2987D

accent

#854DDB

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #377EAC

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

Preview Lab → · Contrast checker → · Palette generator →