#277FA0#277FA0

#277FA0 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.095 H 227.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#277FA0
RGB	rgb(39, 127, 160)
HSL	hsl(196, 61%, 39%)
HSV	hsv(196, 76%, 63%)
CMYK	cmyk(75.6%, 20.6%, 0%, 37.3%)
CIE-LAB	lab(49.67, -14.27, -25.03)
CIE-LCH	lch(49.67, 28.82, 240.32°)
OKLab	oklab(56.01% -0.064 -0.0703)
OKLCH	oklch(56.01% 0.095 227.7)
XYZ	xyz(14.7686, 18.1464, 35.9751)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277FA0 #A04827

analogous

#27A085 #277FA0 #2742A0

triadic

#277FA0 #A0277F #7FA027

tetradic

#277FA0 #8527A0 #A04827 #42A027

square

#277FA0 #8527A0 #A04827 #42A027

split-complementary

#277FA0 #A02742 #A08527

monochromatic

#0F313E #1B586F #277FA0 #36A5CE #67BBDA

Accessibility & contrast

On white

4.54

#277FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#277FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277FA0

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277FA0	#FFFFFF	#000000	##000000
##277FA0	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA2

Deuteranopia (green-blind)

#5D71A0

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #277fa0;
/* rgb */ color: rgb(39, 127, 160);
/* oklch */ color: oklch(56.0% 0.095 227.7);

Tailwind

colors: {
  custom: {
    50: '#73a4bc',
    500: '#277fa0',
    950: '#000000',
  },
}

SCSS

$custom: #277fa0;
$custom-light: #73a4bc;
$custom-dark: #000000;

JSON

{
  "hex": "#277fa0",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 160
  },
  "hsl": {
    "h": 196.364,
    "s": 60.804,
    "l": 39.02
  },
  "oklch": {
    "l": 0.56011,
    "c": 0.09503,
    "h": 227.7
  },
  "luminance": 0.18148
}

Semantic roles & 50–950 ramp

primary

#277FA0

secondary

#C07C63

accent

#7044E4

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #277FA0

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

Preview Lab → · Contrast checker → · Palette generator →