#2A7DB8#2A7DB8

#2A7DB8 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.120 H 244.1°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#2A7DB8
RGB	rgb(42, 125, 184)
HSL	hsl(205, 63%, 44%)
HSV	hsv(205, 77%, 72%)
CMYK	cmyk(77.2%, 32.1%, 0%, 27.8%)
CIE-LAB	lab(50.24, -4.14, -38.05)
CIE-LCH	lch(50.24, 38.28, 263.79°)
OKLab	oklab(56.84% -0.0524 -0.108)
OKLCH	oklch(56.84% 0.12 244.1)
XYZ	xyz(16.9368, 18.6182, 48.0391)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7DB8 #B8652A

analogous

#2AB8AC #2A7DB8 #2A36B8

triadic

#2A7DB8 #B82A7D #7DB82A

tetradic

#2A7DB8 #AC2AB8 #B8652A #36B82A

square

#2A7DB8 #AC2AB8 #B8652A #36B82A

split-complementary

#2A7DB8 #B82A36 #B8AC2A

monochromatic

#133954 #1F5B86 #2A7DB8 #4A9BD6 #7BB7E1

Accessibility & contrast

On white

4.45

#2A7DB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#2A7DB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7DB8

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7DB8	#FFFFFF	#000000	##000000
##2A7DB8	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627FBB

Deuteranopia (green-blind)

#4E72B7

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2a7db8;
/* rgb */ color: rgb(42, 125, 184);
/* oklch */ color: oklch(56.8% 0.120 244.1);

Tailwind

colors: {
  custom: {
    50: '#78a2cd',
    500: '#2a7db8',
    950: '#000000',
  },
}

SCSS

$custom: #2a7db8;
$custom-light: #78a2cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7db8",
  "rgb": {
    "r": 42,
    "g": 125,
    "b": 184
  },
  "hsl": {
    "h": 204.93,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56844,
    "c": 0.11999,
    "h": 244.1
  },
  "luminance": 0.1862
}

Semantic roles & 50–950 ramp

primary

#2A7DB8

secondary

#C99875

accent

#8642E6

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #2A7DB8

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

Preview Lab → · Contrast checker → · Palette generator →