#2770B2#2770B2

#2770B2 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.3% C 0.126 H 249.7°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#2770B2
RGB	rgb(39, 112, 178)
HSL	hsl(208, 64%, 43%)
HSV	hsv(208, 78%, 70%)
CMYK	cmyk(78.1%, 37.1%, 0%, 30.2%)
CIE-LAB	lab(45.95, 1.14, -41.36)
CIE-LCH	lch(45.95, 41.38, 271.58°)
OKLab	oklab(53.35% -0.0436 -0.1179)
OKLCH	oklch(53.35% 0.126 249.7)
XYZ	xyz(14.6637, 15.2323, 44.2781)
Luminance	0.1523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2770B2 #B26927

analogous

#27B2AE #2770B2 #272BB2

triadic

#2770B2 #B22770 #70B227

tetradic

#2770B2 #AE27B2 #B26927 #2BB227

square

#2770B2 #AE27B2 #B26927 #2BB227

split-complementary

#2770B2 #B2272B #B2AE27

monochromatic

#11314E #1C5080 #2770B2 #418FD5 #73ACE0

Accessibility & contrast

On white

5.19

#2770B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#2770B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2770B2

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2770B2	#FFFFFF	#000000	##FFFFFF
##2770B2	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5174B5

Deuteranopia (green-blind)

#3C67B1

Tritanopia (blue-blind)

#008088

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2770b2;
/* rgb */ color: rgb(39, 112, 178);
/* oklch */ color: oklch(53.3% 0.126 249.7);

Tailwind

colors: {
  custom: {
    50: '#7698c9',
    500: '#2770b2',
    950: '#000000',
  },
}

SCSS

$custom: #2770b2;
$custom-light: #7698c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2770b2",
  "rgb": {
    "r": 39,
    "g": 112,
    "b": 178
  },
  "hsl": {
    "h": 208.489,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.53346,
    "c": 0.12568,
    "h": 249.7
  },
  "luminance": 0.15234
}

Semantic roles & 50–950 ramp

primary

#2770B2

secondary

#C8986D

accent

#9041E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2770B2

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

Preview Lab → · Contrast checker → · Palette generator →