#2833A0#2833A0

#2833A0 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.174 H 271.0°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#2833A0
RGB	rgb(40, 51, 160)
HSL	hsl(235, 60%, 39%)
HSV	hsv(235, 75%, 63%)
CMYK	cmyk(75%, 68.1%, 0%, 37.3%)
CIE-LAB	lab(27.73, 34.26, -60.09)
CIE-LCH	lch(27.73, 69.17, 299.69°)
OKLab	oklab(39.09% 0.0031 -0.1738)
OKLCH	oklch(39.09% 0.174 271)
XYZ	xyz(8.4019, 5.3560, 33.8419)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2833A0 #A09528

analogous

#286FA0 #2833A0 #5928A0

triadic

#2833A0 #A02833 #33A028

tetradic

#2833A0 #A0286F #A09528 #28A059

square

#2833A0 #A0286F #A09528 #28A059

split-complementary

#2833A0 #A05928 #6FA028

monochromatic

#10143E #1C236F #2833A0 #3846CD #6973D9

Accessibility & contrast

On white

10.14

#2833A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2833A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2833A0

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2833A0	#FFFFFF	#000000	##FFFFFF
##2833A0	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A3

Deuteranopia (green-blind)

#003C9E

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2833a0;
/* rgb */ color: rgb(40, 51, 160);
/* oklch */ color: oklch(39.1% 0.174 271.0);

Tailwind

colors: {
  custom: {
    50: '#756bbd',
    500: '#2833a0',
    950: '#000000',
  },
}

SCSS

$custom: #2833a0;
$custom-light: #756bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2833a0",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 160
  },
  "hsl": {
    "h": 234.5,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39086,
    "c": 0.17383,
    "h": 271
  },
  "luminance": 0.05357
}

Semantic roles & 50–950 ramp

primary

#2833A0

secondary

#C0B764

accent

#D545E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2833A0

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

Preview Lab → · Contrast checker → · Palette generator →