#2770B1#2770B1

#2770B1 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.3% C 0.124 H 249.3°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#2770B1
RGB	rgb(39, 112, 177)
HSL	hsl(208, 64%, 42%)
HSV	hsv(208, 78%, 69%)
CMYK	cmyk(78%, 36.7%, 0%, 30.6%)
CIE-LAB	lab(45.90, 0.76, -40.87)
CIE-LCH	lch(45.90, 40.87, 271.07°)
OKLab	oklab(53.29% -0.0439 -0.1164)
OKLCH	oklch(53.29% 0.124 249.3)
XYZ	xyz(14.5637, 15.1923, 43.7513)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2770B1 #B16827

analogous

#27B1AD #2770B1 #272BB1

triadic

#2770B1 #B12770 #70B127

tetradic

#2770B1 #AD27B1 #B16827 #2BB127

square

#2770B1 #AD27B1 #B16827 #2BB127

split-complementary

#2770B1 #B1272B #B1AD27

monochromatic

#11314D #1C507F #2770B1 #408FD5 #72ACE0

Accessibility & contrast

On white

5.20

#2770B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#2770B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2770B1

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2770B1	#FFFFFF	#000000	##FFFFFF
##2770B1	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5274B4

Deuteranopia (green-blind)

#3D67B0

Tritanopia (blue-blind)

#008088

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2770b1;
/* rgb */ color: rgb(39, 112, 177);
/* oklch */ color: oklch(53.3% 0.124 249.3);

Tailwind

colors: {
  custom: {
    50: '#7698c8',
    500: '#2770b1',
    950: '#000000',
  },
}

SCSS

$custom: #2770b1;
$custom-light: #7698c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2770b1",
  "rgb": {
    "r": 39,
    "g": 112,
    "b": 177
  },
  "hsl": {
    "h": 208.261,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.53285,
    "c": 0.12442,
    "h": 249.3
  },
  "luminance": 0.15194
}

Semantic roles & 50–950 ramp

primary

#2770B1

secondary

#C7976D

accent

#8F41E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2770B1

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

Preview Lab → · Contrast checker → · Palette generator →