#2D28A8#2D28A8

#2D28A8 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.5% C 0.194 H 274.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#2D28A8
RGB	rgb(45, 40, 168)
HSL	hsl(242, 62%, 41%)
HSV	hsv(242, 76%, 66%)
CMYK	cmyk(73.2%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(26.45, 44.12, -67.02)
CIE-LCH	lch(26.45, 80.23, 303.36°)
OKLab	oklab(38.5% 0.0136 -0.1938)
OKLCH	oklch(38.5% 0.194 274)
XYZ	xyz(8.9065, 4.9017, 37.5149)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D28A8 #A3A828

analogous

#2863A8 #2D28A8 #6D28A8

triadic

#2D28A8 #A82D28 #28A82D

tetradic

#2D28A8 #A82863 #A3A828 #28A86D

square

#2D28A8 #A82863 #A3A828 #28A86D

split-complementary

#2D28A8 #A86D28 #63A828

monochromatic

#131045 #201C77 #2D28A8 #423DD1 #726EDC

Accessibility & contrast

On white

10.60

#2D28A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2D28A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D28A8

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D28A8	#FFFFFF	#000000	##FFFFFF
##2D28A8	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#0038A6

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2d28a8;
/* rgb */ color: rgb(45, 40, 168);
/* oklch */ color: oklch(38.5% 0.194 274.0);

Tailwind

colors: {
  custom: {
    50: '#7a64c3',
    500: '#2d28a8',
    950: '#000000',
  },
}

SCSS

$custom: #2d28a8;
$custom-light: #7a64c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2d28a8",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 242.344,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38497,
    "c": 0.19433,
    "h": 274
  },
  "luminance": 0.04903
}

Semantic roles & 50–950 ramp

primary

#2D28A8

secondary

#C0C369

accent

#E543DE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2D28A8

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

Preview Lab → · Contrast checker → · Palette generator →