#277CA2#277CA2

#277CA2 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.098 H 232.1°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#277CA2
RGB	rgb(39, 124, 162)
HSL	hsl(199, 61%, 39%)
HSV	hsv(199, 76%, 64%)
CMYK	cmyk(75.9%, 23.5%, 0%, 36.5%)
CIE-LAB	lab(48.83, -11.87, -27.51)
CIE-LCH	lch(48.83, 29.97, 246.66°)
OKLab	oklab(55.36% -0.0602 -0.0774)
OKLCH	oklch(55.36% 0.098 232.1)
XYZ	xyz(14.5633, 17.4536, 36.7767)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277CA2 #A24D27

analogous

#27A28B #277CA2 #273EA2

triadic

#277CA2 #A2277C #7CA227

tetradic

#277CA2 #8B27A2 #A24D27 #3EA227

square

#277CA2 #8B27A2 #A24D27 #3EA227

split-complementary

#277CA2 #A2273E #A28B27

monochromatic

#0F303F #1B5671 #277CA2 #37A0CF #69B8DB

Accessibility & contrast

On white

4.68

#277CA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#277CA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277CA2

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277CA2	#FFFFFF	#000000	##FFFFFF
##277CA2	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697BA4

Deuteranopia (green-blind)

#586FA1

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #277ca2;
/* rgb */ color: rgb(39, 124, 162);
/* oklch */ color: oklch(55.4% 0.098 232.1);

Tailwind

colors: {
  custom: {
    50: '#73a1bd',
    500: '#277ca2',
    950: '#000000',
  },
}

SCSS

$custom: #277ca2;
$custom-light: #73a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#277ca2",
  "rgb": {
    "r": 39,
    "g": 124,
    "b": 162
  },
  "hsl": {
    "h": 198.537,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55364,
    "c": 0.09808,
    "h": 232.1
  },
  "luminance": 0.17455
}

Semantic roles & 50–950 ramp

primary

#277CA2

secondary

#C18164

accent

#7543E4

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #277CA2

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

Preview Lab → · Contrast checker → · Palette generator →