#377DAA#377DAA

#377DAA is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.099 H 240.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#377DAA
RGB	rgb(55, 125, 170)
HSL	hsl(203, 51%, 44%)
HSV	hsv(203, 68%, 67%)
CMYK	cmyk(67.6%, 26.5%, 0%, 33.3%)
CIE-LAB	lab(49.95, -7.28, -30.38)
CIE-LCH	lch(49.95, 31.24, 256.53°)
OKLab	oklab(56.51% -0.0494 -0.0855)
OKLCH	oklch(56.51% 0.099 240)
XYZ	xyz(16.1621, 18.3800, 40.7184)
Luminance	0.1838 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DAA #AA6437

analogous

#37AA9E #377DAA #3744AA

triadic

#377DAA #AA377D #7DAA37

tetradic

#377DAA #9E37AA #AA6437 #44AA37

square

#377DAA #9E37AA #AA6437 #44AA37

split-complementary

#377DAA #AA3744 #AA9E37

monochromatic

#19394E #285B7C #377DAA #569CC8 #84B7D7

Accessibility & contrast

On white

4.49

#377DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#377DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DAA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DAA	#FFFFFF	#000000	##000000
##377DAA	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687DAC

Deuteranopia (green-blind)

#5972A9

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #377daa;
/* rgb */ color: rgb(55, 125, 170);
/* oklch */ color: oklch(56.5% 0.099 240.0);

Tailwind

colors: {
  custom: {
    50: '#7ba2c3',
    500: '#377daa',
    950: '#000000',
  },
}

SCSS

$custom: #377daa;
$custom-light: #7ba2c3;
$custom-dark: #000000;

JSON

{
  "hex": "#377daa",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 170
  },
  "hsl": {
    "h": 203.478,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56509,
    "c": 0.09875,
    "h": 240
  },
  "luminance": 0.18382
}

Semantic roles & 50–950 ramp

primary

#377DAA

secondary

#C1977C

accent

#854DDB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #377DAA

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

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