#2A7EB8#2A7EB8

#2A7EB8 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.119 H 243.4°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#2A7EB8
RGB	rgb(42, 126, 184)
HSL	hsl(205, 63%, 44%)
HSV	hsv(205, 77%, 72%)
CMYK	cmyk(77.2%, 31.5%, 0%, 27.8%)
CIE-LAB	lab(50.54, -4.73, -37.58)
CIE-LCH	lch(50.54, 37.88, 262.82°)
OKLab	oklab(57.08% -0.0533 -0.1066)
OKLCH	oklch(57.08% 0.119 243.4)
XYZ	xyz(17.0641, 18.8726, 48.0815)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7EB8 #B8642A

analogous

#2AB8AB #2A7EB8 #2A37B8

triadic

#2A7EB8 #B82A7E #7EB82A

tetradic

#2A7EB8 #AB2AB8 #B8642A #37B82A

square

#2A7EB8 #AB2AB8 #B8642A #37B82A

split-complementary

#2A7EB8 #B82A37 #B8AB2A

monochromatic

#133A54 #1F5C86 #2A7EB8 #4A9CD6 #7BB7E1

Accessibility & contrast

On white

4.40

#2A7EB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#2A7EB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7EB8

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7EB8	#FFFFFF	#000000	##000000
##2A7EB8	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6380BB

Deuteranopia (green-blind)

#4F72B7

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2a7eb8;
/* rgb */ color: rgb(42, 126, 184);
/* oklch */ color: oklch(57.1% 0.119 243.4);

Tailwind

colors: {
  custom: {
    50: '#78a3cd',
    500: '#2a7eb8',
    950: '#000000',
  },
}

SCSS

$custom: #2a7eb8;
$custom-light: #78a3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7eb8",
  "rgb": {
    "r": 42,
    "g": 126,
    "b": 184
  },
  "hsl": {
    "h": 204.507,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.57081,
    "c": 0.11915,
    "h": 243.4
  },
  "luminance": 0.18875
}

Semantic roles & 50–950 ramp

primary

#2A7EB8

secondary

#C99775

accent

#8542E6

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2A7EB8

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

Preview Lab → · Contrast checker → · Palette generator →