#2841A4#2841A4

#2841A4 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.0% C 0.162 H 267.8°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#2841A4
RGB	rgb(40, 65, 164)
HSL	hsl(228, 61%, 40%)
HSV	hsv(228, 76%, 64%)
CMYK	cmyk(75.6%, 60.4%, 0%, 35.7%)
CIE-LAB	lab(31.60, 26.56, -56.16)
CIE-LCH	lch(31.60, 62.12, 295.31°)
OKLab	oklab(42.05% -0.0062 -0.1622)
OKLCH	oklch(42.05% 0.162 267.8)
XYZ	xyz(9.4639, 6.9110, 35.9500)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2841A4 #A48B28

analogous

#287FA4 #2841A4 #4D28A4

triadic

#2841A4 #A42841 #41A428

tetradic

#2841A4 #A4287F #A48B28 #28A44D

square

#2841A4 #A4287F #A48B28 #28A44D

split-complementary

#2841A4 #A44D28 #7FA428

monochromatic

#101A42 #1C2E73 #2841A4 #3A58CF #6B82DB

Accessibility & contrast

On white

8.81

#2841A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2841A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2841A4

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2841A4	#FFFFFF	#000000	##FFFFFF
##2841A4	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2841a4;
/* rgb */ color: rgb(40, 65, 164);
/* oklch */ color: oklch(42.0% 0.162 267.8);

Tailwind

colors: {
  custom: {
    50: '#7575c0',
    500: '#2841a4',
    950: '#000000',
  },
}

SCSS

$custom: #2841a4;
$custom-light: #7575c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2841a4",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 164
  },
  "hsl": {
    "h": 227.903,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.4205,
    "c": 0.16229,
    "h": 267.8
  },
  "luminance": 0.06912
}

Semantic roles & 50–950 ramp

primary

#2841A4

secondary

#C1AF66

accent

#C444E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2841A4

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

Preview Lab → · Contrast checker → · Palette generator →