#277A99#277A99

#277A99 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.4% C 0.091 H 227.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#277A99
RGB	rgb(39, 122, 153)
HSL	hsl(196, 59%, 38%)
HSV	hsv(196, 75%, 60%)
CMYK	cmyk(74.5%, 20.3%, 0%, 40%)
CIE-LAB	lab(47.81, -13.90, -23.81)
CIE-LCH	lch(47.81, 27.58, 239.72°)
OKLab	oklab(54.43% -0.0616 -0.0668)
OKLCH	oklch(54.43% 0.091 227.3)
XYZ	xyz(13.5437, 16.6487, 32.6305)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277A99 #994627

analogous

#27997F #277A99 #274199

triadic

#277A99 #99277A #7A9927

tetradic

#277A99 #7F2799 #994627 #419927

square

#277A99 #7F2799 #994627 #419927

split-complementary

#277A99 #992741 #997F27

monochromatic

#0E2C37 #1B5368 #277A99 #33A1CA #63B8D7

Accessibility & contrast

On white

4.85

#277A99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#277A99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277A99

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277A99	#FFFFFF	#000000	##FFFFFF
##277A99	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69789B

Deuteranopia (green-blind)

#5A6D99

Tritanopia (blue-blind)

#008384

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #277a99;
/* rgb */ color: rgb(39, 122, 153);
/* oklch */ color: oklch(54.4% 0.091 227.3);

Tailwind

colors: {
  custom: {
    50: '#72a0b7',
    500: '#277a99',
    950: '#000000',
  },
}

SCSS

$custom: #277a99;
$custom-light: #72a0b7;
$custom-dark: #000000;

JSON

{
  "hex": "#277a99",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 153
  },
  "hsl": {
    "h": 196.316,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.54427,
    "c": 0.09085,
    "h": 227.3
  },
  "luminance": 0.1665
}

Semantic roles & 50–950 ramp

primary

#277A99

secondary

#BD785F

accent

#7045E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #277A99

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

Preview Lab → · Contrast checker → · Palette generator →