#277AA0#277AA0

#277AA0 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.8% C 0.097 H 232.6°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#277AA0
RGB	rgb(39, 122, 160)
HSL	hsl(199, 61%, 39%)
HSV	hsv(199, 76%, 63%)
CMYK	cmyk(75.6%, 23.7%, 0%, 37.3%)
CIE-LAB	lab(48.12, -11.44, -27.45)
CIE-LCH	lch(48.12, 29.74, 247.38°)
OKLab	oklab(54.77% -0.0589 -0.0772)
OKLCH	oklch(54.77% 0.097 232.6)
XYZ	xyz(14.1388, 16.8868, 35.7652)
Luminance	0.1689 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277AA0 #A04D27

analogous

#27A08A #277AA0 #273EA0

triadic

#277AA0 #A0277A #7AA027

tetradic

#277AA0 #8A27A0 #A04D27 #3EA027

square

#277AA0 #8A27A0 #A04D27 #3EA027

split-complementary

#277AA0 #A0273E #A08A27

monochromatic

#0F2F3E #1B546F #277AA0 #369ECE #67B6DA

Accessibility & contrast

On white

4.80

#277AA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#277AA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277AA0

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277AA0	#FFFFFF	#000000	##FFFFFF
##277AA0	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A2

Deuteranopia (green-blind)

#576D9F

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #277aa0;
/* rgb */ color: rgb(39, 122, 160);
/* oklch */ color: oklch(54.8% 0.097 232.6);

Tailwind

colors: {
  custom: {
    50: '#73a0bc',
    500: '#277aa0',
    950: '#000000',
  },
}

SCSS

$custom: #277aa0;
$custom-light: #73a0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#277aa0",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 160
  },
  "hsl": {
    "h": 198.843,
    "s": 60.804,
    "l": 39.02
  },
  "oklch": {
    "l": 0.54769,
    "c": 0.09717,
    "h": 232.6
  },
  "luminance": 0.16888
}

Semantic roles & 50–950 ramp

primary

#277AA0

secondary

#C08063

accent

#7644E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #277AA0

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

Preview Lab → · Contrast checker → · Palette generator →