#277DA2#277DA2

#277DA2 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.6% C 0.098 H 231.1°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#277DA2
RGB	rgb(39, 125, 162)
HSL	hsl(198, 61%, 39%)
HSV	hsv(198, 76%, 64%)
CMYK	cmyk(75.9%, 22.8%, 0%, 36.5%)
CIE-LAB	lab(49.14, -12.44, -27.03)
CIE-LCH	lch(49.14, 29.76, 245.29°)
OKLab	oklab(55.61% -0.0612 -0.076)
OKLCH	oklch(55.61% 0.098 231.1)
XYZ	xyz(14.6893, 17.7055, 36.8187)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277DA2 #A24C27

analogous

#27A28A #277DA2 #273FA2

triadic

#277DA2 #A2277D #7DA227

tetradic

#277DA2 #8A27A2 #A24C27 #3FA227

square

#277DA2 #8A27A2 #A24C27 #3FA227

split-complementary

#277DA2 #A2273F #A28A27

monochromatic

#0F313F #1B5771 #277DA2 #37A1CF #69B8DB

Accessibility & contrast

On white

4.62

#277DA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#277DA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #277DA2

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277DA2	#FFFFFF	#000000	##FFFFFF
##277DA2	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA4

Deuteranopia (green-blind)

#5A70A1

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #277da2;
/* rgb */ color: rgb(39, 125, 162);
/* oklch */ color: oklch(55.6% 0.098 231.1);

Tailwind

colors: {
  custom: {
    50: '#73a2bd',
    500: '#277da2',
    950: '#000000',
  },
}

SCSS

$custom: #277da2;
$custom-light: #73a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#277da2",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 162
  },
  "hsl": {
    "h": 198.049,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55611,
    "c": 0.0976,
    "h": 231.1
  },
  "luminance": 0.17707
}

Semantic roles & 50–950 ramp

primary

#277DA2

secondary

#C18064

accent

#7443E4

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #277DA2

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

Preview Lab → · Contrast checker → · Palette generator →