#277188#277188

#277188 is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.3% C 0.080 H 222.4°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#277188
RGB	rgb(39, 113, 136)
HSL	hsl(194, 55%, 34%)
HSV	hsv(194, 71%, 53%)
CMYK	cmyk(71.3%, 16.9%, 0%, 46.7%)
CIE-LAB	lab(44.26, -14.72, -19.23)
CIE-LCH	lch(44.26, 24.22, 232.56°)
OKLab	oklab(51.35% -0.0588 -0.0537)
OKLCH	oklch(51.35% 0.08 222.4)
XYZ	xyz(11.1839, 14.0179, 25.4041)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277188 #883E27

analogous

#27886F #277188 #274188

triadic

#277188 #882771 #718827

tetradic

#277188 #6F2788 #883E27 #418827

square

#277188 #6F2788 #883E27 #418827

split-complementary

#277188 #882741 #886F27

monochromatic

#0C2229 #194958 #277188 #3599B8 #5AB4D0

Accessibility & contrast

On white

5.52

#277188 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#277188 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277188

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277188	#FFFFFF	#000000	##FFFFFF
##277188	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646E89

Deuteranopia (green-blind)

#566488

Tritanopia (blue-blind)

#007878

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #277188;
/* rgb */ color: rgb(39, 113, 136);
/* oklch */ color: oklch(51.3% 0.080 222.4);

Tailwind

colors: {
  custom: {
    50: '#6f9aaa',
    500: '#277188',
    950: '#000000',
  },
}

SCSS

$custom: #277188;
$custom-light: #6f9aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#277188",
  "rgb": {
    "r": 39,
    "g": 113,
    "b": 136
  },
  "hsl": {
    "h": 194.227,
    "s": 55.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.51347,
    "c": 0.07967,
    "h": 222.4
  },
  "luminance": 0.14019
}

Semantic roles & 50–950 ramp

primary

#277188

secondary

#B56D56

accent

#6D49DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #277188

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

Preview Lab → · Contrast checker → · Palette generator →