#277387#277387

#277387 is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.8% C 0.079 H 218.8°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#277387
RGB	rgb(39, 115, 135)
HSL	hsl(193, 55%, 34%)
HSV	hsv(193, 71%, 53%)
CMYK	cmyk(71.1%, 14.8%, 0%, 47.1%)
CIE-LAB	lab(44.86, -16.18, -17.71)
CIE-LCH	lch(44.86, 23.99, 227.59°)
OKLab	oklab(51.82% -0.0614 -0.0494)
OKLCH	oklch(51.82% 0.079 218.8)
XYZ	xyz(11.3388, 14.4408, 25.1067)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277387 #873B27

analogous

#27876B #277387 #274387

triadic

#277387 #872773 #738727

tetradic

#277387 #6B2787 #873B27 #438727

square

#277387 #6B2787 #873B27 #438727

split-complementary

#277387 #872743 #876B27

monochromatic

#0C2228 #194B58 #277387 #359BB6 #59B7CF

Accessibility & contrast

On white

5.40

#277387 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#277387 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277387

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277387	#FFFFFF	#000000	##FFFFFF
##277387	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667088

Deuteranopia (green-blind)

#596687

Tritanopia (blue-blind)

#007A79

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #277387;
/* rgb */ color: rgb(39, 115, 135);
/* oklch */ color: oklch(51.8% 0.079 218.8);

Tailwind

colors: {
  custom: {
    50: '#6f9baa',
    500: '#277387',
    950: '#000000',
  },
}

SCSS

$custom: #277387;
$custom-light: #6f9baa;
$custom-dark: #000000;

JSON

{
  "hex": "#277387",
  "rgb": {
    "r": 39,
    "g": 115,
    "b": 135
  },
  "hsl": {
    "h": 192.5,
    "s": 55.172,
    "l": 34.118
  },
  "oklch": {
    "l": 0.51815,
    "c": 0.07883,
    "h": 218.8
  },
  "luminance": 0.14442
}

Semantic roles & 50–950 ramp

primary

#277387

secondary

#B46956

accent

#6849DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #277387

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

Preview Lab → · Contrast checker → · Palette generator →