#2A77B7#2A77B7

#2A77B7 is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.4% C 0.124 H 247.7°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#2A77B7
RGB	rgb(42, 119, 183)
HSL	hsl(207, 63%, 44%)
HSV	hsv(207, 77%, 72%)
CMYK	cmyk(77%, 35%, 0%, 28.2%)
CIE-LAB	lab(48.39, -0.91, -40.39)
CIE-LCH	lch(48.39, 40.41, 268.70°)
OKLab	oklab(55.37% -0.0471 -0.1149)
OKLCH	oklch(55.37% 0.124 247.7)
XYZ	xyz(16.0956, 17.1029, 47.2435)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A77B7 #B76A2A

analogous

#2AB7B1 #2A77B7 #2A31B7

triadic

#2A77B7 #B72A77 #77B72A

tetradic

#2A77B7 #B12AB7 #B76A2A #31B72A

square

#2A77B7 #B12AB7 #B76A2A #31B72A

split-complementary

#2A77B7 #B72A31 #B7B12A

monochromatic

#133653 #1F5785 #2A77B7 #4996D5 #7BB2E1

Accessibility & contrast

On white

4.75

#2A77B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#2A77B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A77B7

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A77B7	#FFFFFF	#000000	##FFFFFF
##2A77B7	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597ABA

Deuteranopia (green-blind)

#456DB6

Tritanopia (blue-blind)

#00868E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2a77b7;
/* rgb */ color: rgb(42, 119, 183);
/* oklch */ color: oklch(55.4% 0.124 247.7);

Tailwind

colors: {
  custom: {
    50: '#789dcd',
    500: '#2a77b7',
    950: '#000000',
  },
}

SCSS

$custom: #2a77b7;
$custom-light: #789dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a77b7",
  "rgb": {
    "r": 42,
    "g": 119,
    "b": 183
  },
  "hsl": {
    "h": 207.234,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.55371,
    "c": 0.12416,
    "h": 247.7
  },
  "luminance": 0.17105
}

Semantic roles & 50–950 ramp

primary

#2A77B7

secondary

#C99A74

accent

#8C42E6

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A77B7

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

Preview Lab → · Contrast checker → · Palette generator →