#2A7BB7#2A7BB7

#2A7BB7 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.121 H 245.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#2A7BB7
RGB	rgb(42, 123, 183)
HSL	hsl(206, 63%, 44%)
HSV	hsv(206, 77%, 72%)
CMYK	cmyk(77%, 32.8%, 0%, 28.2%)
CIE-LAB	lab(49.59, -3.32, -38.50)
CIE-LCH	lch(49.59, 38.65, 265.07°)
OKLab	oklab(56.31% -0.0508 -0.1093)
OKLCH	oklch(56.31% 0.121 245.1)
XYZ	xyz(16.5817, 18.0751, 47.4055)
Luminance	0.1808 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7BB7 #B7662A

analogous

#2AB7AD #2A7BB7 #2A34B7

triadic

#2A7BB7 #B72A7B #7BB72A

tetradic

#2A7BB7 #AD2AB7 #B7662A #34B72A

square

#2A7BB7 #AD2AB7 #B7662A #34B72A

split-complementary

#2A7BB7 #B72A34 #B7AD2A

monochromatic

#133853 #1F5A85 #2A7BB7 #499AD5 #7BB5E1

Accessibility & contrast

On white

4.55

#2A7BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#2A7BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7BB7

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7BB7	#FFFFFF	#000000	##000000
##2A7BB7	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7DBA

Deuteranopia (green-blind)

#4B70B6

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2a7bb7;
/* rgb */ color: rgb(42, 123, 183);
/* oklch */ color: oklch(56.3% 0.121 245.1);

Tailwind

colors: {
  custom: {
    50: '#78a0cd',
    500: '#2a7bb7',
    950: '#000000',
  },
}

SCSS

$custom: #2a7bb7;
$custom-light: #78a0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7bb7",
  "rgb": {
    "r": 42,
    "g": 123,
    "b": 183
  },
  "hsl": {
    "h": 205.532,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56314,
    "c": 0.12053,
    "h": 245.1
  },
  "luminance": 0.18077
}

Semantic roles & 50–950 ramp

primary

#2A7BB7

secondary

#C99874

accent

#8842E6

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A7BB7

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

Preview Lab → · Contrast checker → · Palette generator →