#377FB9#377FB9

#377FB9 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.115 H 246.0°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#377FB9
RGB	rgb(55, 127, 185)
HSL	hsl(207, 54%, 47%)
HSV	hsv(207, 70%, 73%)
CMYK	cmyk(70.3%, 31.4%, 0%, 27.5%)
CIE-LAB	lab(51.26, -3.21, -37.00)
CIE-LCH	lch(51.26, 37.14, 265.05°)
OKLab	oklab(57.77% -0.0466 -0.1047)
OKLCH	oklch(57.77% 0.115 246)
XYZ	xyz(17.9186, 19.4918, 48.7075)
Luminance	0.1949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377FB9 #B97137

analogous

#37B9B2 #377FB9 #373EB9

triadic

#377FB9 #B9377F #7FB937

tetradic

#377FB9 #B237B9 #B97137 #3EB937

square

#377FB9 #B237B9 #B97137 #3EB937

split-complementary

#377FB9 #B9373E #B9B237

monochromatic

#1B3E5B #295F8A #377FB9 #5E9DCF #8DBADD

Accessibility & contrast

On white

4.29

#377FB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#377FB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377FB9

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377FB9	#FFFFFF	#000000	##000000
##377FB9	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6581BC

Deuteranopia (green-blind)

#5375B8

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #377fb9;
/* rgb */ color: rgb(55, 127, 185);
/* oklch */ color: oklch(57.8% 0.115 246.0);

Tailwind

colors: {
  custom: {
    50: '#7da3ce',
    500: '#377fb9',
    950: '#000000',
  },
}

SCSS

$custom: #377fb9;
$custom-light: #7da3ce;
$custom-dark: #000000;

JSON

{
  "hex": "#377fb9",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 185
  },
  "hsl": {
    "h": 206.769,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57771,
    "c": 0.11463,
    "h": 246
  },
  "luminance": 0.19494
}

Semantic roles & 50–950 ramp

primary

#377FB9

secondary

#C8A284

accent

#8C4ADE

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #377FB9

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

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