#2781A4#2781A4

#2781A4 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.7% C 0.098 H 228.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#2781A4
RGB	rgb(39, 129, 164)
HSL	hsl(197, 62%, 40%)
HSV	hsv(197, 76%, 64%)
CMYK	cmyk(76.2%, 21.3%, 0%, 35.7%)
CIE-LAB	lab(50.46, -13.99, -26.14)
CIE-LCH	lch(50.46, 29.65, 241.84°)
OKLab	oklab(56.7% -0.0645 -0.0734)
OKLCH	oklch(56.7% 0.098 228.7)
XYZ	xyz(15.3851, 18.8104, 37.9347)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2781A4 #A44A27

analogous

#27A489 #2781A4 #2743A4

triadic

#2781A4 #A42781 #81A427

tetradic

#2781A4 #8927A4 #A44A27 #43A427

square

#2781A4 #8927A4 #A44A27 #43A427

split-complementary

#2781A4 #A42743 #A48927

monochromatic

#0F3341 #1B5A73 #2781A4 #38A5D0 #6ABCDC

Accessibility & contrast

On white

4.41

#2781A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#2781A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2781A4

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2781A4	#FFFFFF	#000000	##000000
##2781A4	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7FA6

Deuteranopia (green-blind)

#5E73A4

Tritanopia (blue-blind)

#008B8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2781a4;
/* rgb */ color: rgb(39, 129, 164);
/* oklch */ color: oklch(56.7% 0.098 228.7);

Tailwind

colors: {
  custom: {
    50: '#74a5bf',
    500: '#2781a4',
    950: '#000000',
  },
}

SCSS

$custom: #2781a4;
$custom-light: #74a5bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2781a4",
  "rgb": {
    "r": 39,
    "g": 129,
    "b": 164
  },
  "hsl": {
    "h": 196.8,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.567,
    "c": 0.09771,
    "h": 228.7
  },
  "luminance": 0.18812
}

Semantic roles & 50–950 ramp

primary

#2781A4

secondary

#C27F65

accent

#7043E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2781A4

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

Preview Lab → · Contrast checker → · Palette generator →