#2A78A9#2A78A9

#2A78A9 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.8% C 0.107 H 240.6°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#2A78A9
RGB	rgb(42, 120, 169)
HSL	hsl(203, 60%, 41%)
HSV	hsv(203, 75%, 66%)
CMYK	cmyk(75.1%, 29%, 0%, 33.7%)
CIE-LAB	lab(47.99, -6.65, -32.89)
CIE-LCH	lch(47.99, 33.56, 258.57°)
OKLab	oklab(54.83% -0.0523 -0.093)
OKLCH	oklch(54.83% 0.107 240.6)
XYZ	xyz(14.8299, 16.7880, 39.9873)
Luminance	0.1679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A78A9 #A95B2A

analogous

#2AA99B #2A78A9 #2A38A9

triadic

#2A78A9 #A92A78 #78A92A

tetradic

#2A78A9 #9B2AA9 #A95B2A #38A92A

square

#2A78A9 #9B2AA9 #A95B2A #38A92A

split-complementary

#2A78A9 #A92A38 #A99B2A

monochromatic

#123247 #1E5578 #2A78A9 #4198D0 #72B3DC

Accessibility & contrast

On white

4.82

#2A78A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#2A78A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A78A9

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A78A9	#FFFFFF	#000000	##FFFFFF
##2A78A9	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AB

Deuteranopia (green-blind)

#506DA8

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2a78a9;
/* rgb */ color: rgb(42, 120, 169);
/* oklch */ color: oklch(54.8% 0.107 240.6);

Tailwind

colors: {
  custom: {
    50: '#759ec3',
    500: '#2a78a9',
    950: '#000000',
  },
}

SCSS

$custom: #2a78a9;
$custom-light: #759ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a78a9",
  "rgb": {
    "r": 42,
    "g": 120,
    "b": 169
  },
  "hsl": {
    "h": 203.15,
    "s": 60.19,
    "l": 41.373
  },
  "oklch": {
    "l": 0.54827,
    "c": 0.1067,
    "h": 240.6
  },
  "luminance": 0.1679
}

Semantic roles & 50–950 ramp

primary

#2A78A9

secondary

#C38D6C

accent

#8244E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2A78A9

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

Preview Lab → · Contrast checker → · Palette generator →