#2A7DB5#2A7DB5

#2A7DB5 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.7% C 0.117 H 242.8°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#2A7DB5
RGB	rgb(42, 125, 181)
HSL	hsl(204, 62%, 44%)
HSV	hsv(204, 77%, 71%)
CMYK	cmyk(76.8%, 30.9%, 0%, 29%)
CIE-LAB	lab(50.09, -5.24, -36.56)
CIE-LCH	lch(50.09, 36.93, 261.85°)
OKLab	oklab(56.68% -0.0533 -0.1036)
OKLCH	oklch(56.68% 0.117 242.8)
XYZ	xyz(16.6257, 18.4937, 46.4005)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7DB5 #B5622A

analogous

#2AB5A7 #2A7DB5 #2A37B5

triadic

#2A7DB5 #B52A7D #7DB52A

tetradic

#2A7DB5 #A72AB5 #B5622A #37B52A

square

#2A7DB5 #A72AB5 #B5622A #37B52A

split-complementary

#2A7DB5 #B52A37 #B5A72A

monochromatic

#133852 #1E5B83 #2A7DB5 #489CD4 #79B7E0

Accessibility & contrast

On white

4.47

#2A7DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#2A7DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7DB5

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7DB5	#FFFFFF	#000000	##000000
##2A7DB5	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637EB7

Deuteranopia (green-blind)

#5071B4

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2a7db5;
/* rgb */ color: rgb(42, 125, 181);
/* oklch */ color: oklch(56.7% 0.117 242.8);

Tailwind

colors: {
  custom: {
    50: '#78a2cb',
    500: '#2a7db5',
    950: '#000000',
  },
}

SCSS

$custom: #2a7db5;
$custom-light: #78a2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7db5",
  "rgb": {
    "r": 42,
    "g": 125,
    "b": 181
  },
  "hsl": {
    "h": 204.173,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56678,
    "c": 0.1165,
    "h": 242.8
  },
  "luminance": 0.18496
}

Semantic roles & 50–950 ramp

primary

#2A7DB5

secondary

#C89573

accent

#8442E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #2A7DB5

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

Preview Lab → · Contrast checker → · Palette generator →