#277BA2#277BA2

#277BA2 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.099 H 233.1°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#277BA2
RGB	rgb(39, 123, 162)
HSL	hsl(199, 61%, 39%)
HSV	hsv(199, 76%, 64%)
CMYK	cmyk(75.9%, 24.1%, 0%, 36.5%)
CIE-LAB	lab(48.52, -11.30, -28.00)
CIE-LCH	lch(48.52, 30.19, 248.02°)
OKLab	oklab(55.12% -0.0592 -0.0788)
OKLCH	oklch(55.12% 0.099 233.1)
XYZ	xyz(14.4386, 17.2042, 36.7352)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277BA2 #A24E27

analogous

#27A28C #277BA2 #273EA2

triadic

#277BA2 #A2277B #7BA227

tetradic

#277BA2 #8C27A2 #A24E27 #3EA227

square

#277BA2 #8C27A2 #A24E27 #3EA227

split-complementary

#277BA2 #A2273E #A28C27

monochromatic

#0F303F #1B5671 #277BA2 #379FCF #69B7DB

Accessibility & contrast

On white

4.73

#277BA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#277BA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277BA2

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277BA2	#FFFFFF	#000000	##FFFFFF
##277BA2	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687AA4

Deuteranopia (green-blind)

#576EA1

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #277ba2;
/* rgb */ color: rgb(39, 123, 162);
/* oklch */ color: oklch(55.1% 0.099 233.1);

Tailwind

colors: {
  custom: {
    50: '#73a1bd',
    500: '#277ba2',
    950: '#000000',
  },
}

SCSS

$custom: #277ba2;
$custom-light: #73a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#277ba2",
  "rgb": {
    "r": 39,
    "g": 123,
    "b": 162
  },
  "hsl": {
    "h": 199.024,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55116,
    "c": 0.09859,
    "h": 233.1
  },
  "luminance": 0.17206
}

Semantic roles & 50–950 ramp

primary

#277BA2

secondary

#C18164

accent

#7643E4

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #277BA2

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

Preview Lab → · Contrast checker → · Palette generator →