#2A77B4#2A77B4

#2A77B4 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.2% C 0.120 H 246.5°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#2A77B4
RGB	rgb(42, 119, 180)
HSL	hsl(207, 62%, 44%)
HSV	hsv(207, 77%, 71%)
CMYK	cmyk(76.7%, 33.9%, 0%, 29.4%)
CIE-LAB	lab(48.23, -2.03, -38.90)
CIE-LCH	lch(48.23, 38.96, 267.02°)
OKLab	oklab(55.2% -0.0479 -0.1105)
OKLCH	oklch(55.2% 0.12 246.5)
XYZ	xyz(15.7867, 16.9793, 45.6165)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A77B4 #B4672A

analogous

#2AB4AC #2A77B4 #2A32B4

triadic

#2A77B4 #B42A77 #77B42A

tetradic

#2A77B4 #AC2AB4 #B4672A #32B42A

square

#2A77B4 #AC2AB4 #B4672A #32B42A

split-complementary

#2A77B4 #B42A32 #B4AC2A

monochromatic

#133551 #1E5682 #2A77B4 #4796D4 #79B2E0

Accessibility & contrast

On white

4.78

#2A77B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#2A77B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A77B4

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A77B4	#FFFFFF	#000000	##FFFFFF
##2A77B4	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7AB7

Deuteranopia (green-blind)

#476DB3

Tritanopia (blue-blind)

#00868D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2a77b4;
/* rgb */ color: rgb(42, 119, 180);
/* oklch */ color: oklch(55.2% 0.120 246.5);

Tailwind

colors: {
  custom: {
    50: '#779dcb',
    500: '#2a77b4',
    950: '#000000',
  },
}

SCSS

$custom: #2a77b4;
$custom-light: #779dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a77b4",
  "rgb": {
    "r": 42,
    "g": 119,
    "b": 180
  },
  "hsl": {
    "h": 206.522,
    "s": 62.162,
    "l": 43.529
  },
  "oklch": {
    "l": 0.55197,
    "c": 0.12048,
    "h": 246.5
  },
  "luminance": 0.16981
}

Semantic roles & 50–950 ramp

primary

#2A77B4

secondary

#C89872

accent

#8A43E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A77B4

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

Preview Lab → · Contrast checker → · Palette generator →