#2770B0#2770B0

#2770B0 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.2% C 0.123 H 249.0°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#2770B0
RGB	rgb(39, 112, 176)
HSL	hsl(208, 64%, 42%)
HSV	hsv(208, 78%, 69%)
CMYK	cmyk(77.8%, 36.4%, 0%, 31%)
CIE-LAB	lab(45.84, 0.38, -40.37)
CIE-LCH	lch(45.84, 40.37, 270.54°)
OKLab	oklab(53.23% -0.0442 -0.1149)
OKLCH	oklch(53.23% 0.123 249)
XYZ	xyz(14.4644, 15.1526, 43.2283)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2770B0 #B06727

analogous

#27B0AC #2770B0 #272CB0

triadic

#2770B0 #B02770 #70B027

tetradic

#2770B0 #AC27B0 #B06727 #2CB027

square

#2770B0 #AC27B0 #B06727 #2CB027

split-complementary

#2770B0 #B0272C #B0AC27

monochromatic

#11304C #1C507E #2770B0 #408FD5 #72ACE0

Accessibility & contrast

On white

5.21

#2770B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#2770B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2770B0

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2770B0	#FFFFFF	#000000	##FFFFFF
##2770B0	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5273B3

Deuteranopia (green-blind)

#3E67AF

Tritanopia (blue-blind)

#007F87

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2770b0;
/* rgb */ color: rgb(39, 112, 176);
/* oklch */ color: oklch(53.2% 0.123 249.0);

Tailwind

colors: {
  custom: {
    50: '#7698c8',
    500: '#2770b0',
    950: '#000000',
  },
}

SCSS

$custom: #2770b0;
$custom-light: #7698c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2770b0",
  "rgb": {
    "r": 39,
    "g": 112,
    "b": 176
  },
  "hsl": {
    "h": 208.029,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.53225,
    "c": 0.12315,
    "h": 249
  },
  "luminance": 0.15154
}

Semantic roles & 50–950 ramp

primary

#2770B0

secondary

#C7966C

accent

#8E41E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2770B0

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

Preview Lab → · Contrast checker → · Palette generator →