#277699#277699

#277699 is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.4% C 0.092 H 231.6°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#277699
RGB	rgb(39, 118, 153)
HSL	hsl(198, 59%, 38%)
HSV	hsv(198, 75%, 60%)
CMYK	cmyk(74.5%, 22.9%, 0%, 40%)
CIE-LAB	lab(46.56, -11.63, -25.76)
CIE-LCH	lch(46.56, 28.26, 245.70°)
OKLab	oklab(53.43% -0.0575 -0.0724)
OKLCH	oklch(53.43% 0.092 231.6)
XYZ	xyz(13.0626, 15.6866, 32.4702)
Luminance	0.1569 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277699 #994A27

analogous

#279983 #277699 #273D99

triadic

#277699 #992776 #769927

tetradic

#277699 #832799 #994A27 #3D9927

square

#277699 #832799 #994A27 #3D9927

split-complementary

#277699 #99273D #998327

monochromatic

#0E2B37 #1B5068 #277699 #339CCA #63B4D7

Accessibility & contrast

On white

5.08

#277699 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#277699 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277699

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277699	#FFFFFF	#000000	##FFFFFF
##277699	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64759B

Deuteranopia (green-blind)

#556998

Tritanopia (blue-blind)

#008082

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #277699;
/* rgb */ color: rgb(39, 118, 153);
/* oklch */ color: oklch(53.4% 0.092 231.6);

Tailwind

colors: {
  custom: {
    50: '#729db7',
    500: '#277699',
    950: '#000000',
  },
}

SCSS

$custom: #277699;
$custom-light: #729db7;
$custom-dark: #000000;

JSON

{
  "hex": "#277699",
  "rgb": {
    "r": 39,
    "g": 118,
    "b": 153
  },
  "hsl": {
    "h": 198.421,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.53425,
    "c": 0.09243,
    "h": 231.6
  },
  "luminance": 0.15688
}

Semantic roles & 50–950 ramp

primary

#277699

secondary

#BD7C5F

accent

#7645E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #277699

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

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