#2841A5#2841A5

#2841A5 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.164 H 267.8°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#2841A5
RGB	rgb(40, 65, 165)
HSL	hsl(228, 61%, 40%)
HSV	hsv(228, 76%, 65%)
CMYK	cmyk(75.8%, 60.6%, 0%, 35.3%)
CIE-LAB	lab(31.69, 26.94, -56.62)
CIE-LCH	lch(31.69, 62.70, 295.44°)
OKLab	oklab(42.14% -0.0062 -0.1635)
OKLCH	oklch(42.14% 0.164 267.8)
XYZ	xyz(9.5545, 6.9473, 36.4274)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2841A5 #A58C28

analogous

#287FA5 #2841A5 #4D28A5

triadic

#2841A5 #A52841 #41A528

tetradic

#2841A5 #A5287F #A58C28 #28A54D

square

#2841A5 #A5287F #A58C28 #28A54D

split-complementary

#2841A5 #A54D28 #7FA528

monochromatic

#101A42 #1C2E74 #2841A5 #3B59CF #6C82DB

Accessibility & contrast

On white

8.79

#2841A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2841A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2841A5

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2841A5	#FFFFFF	#000000	##FFFFFF
##2841A5	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A8

Deuteranopia (green-blind)

#0045A3

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2841a5;
/* rgb */ color: rgb(40, 65, 165);
/* oklch */ color: oklch(42.1% 0.164 267.8);

Tailwind

colors: {
  custom: {
    50: '#7575c1',
    500: '#2841a5',
    950: '#000000',
  },
}

SCSS

$custom: #2841a5;
$custom-light: #7575c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2841a5",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 165
  },
  "hsl": {
    "h": 228,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.42138,
    "c": 0.16366,
    "h": 267.8
  },
  "luminance": 0.06948
}

Semantic roles & 50–950 ramp

primary

#2841A5

secondary

#C2B067

accent

#C444E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2841A5

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

Preview Lab → · Contrast checker → · Palette generator →