#2A42A0#2A42A0

#2A42A0 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.0% C 0.155 H 268.1°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A42A0
RGB	rgb(42, 66, 160)
HSL	hsl(228, 58%, 40%)
HSV	hsv(228, 74%, 63%)
CMYK	cmyk(73.8%, 58.8%, 0%, 37.3%)
CIE-LAB	lab(31.64, 24.62, -53.69)
CIE-LCH	lch(31.64, 59.06, 294.64°)
OKLab	oklab(42% -0.0052 -0.1549)
OKLCH	oklch(42% 0.155 268.1)
XYZ	xyz(9.2460, 6.9258, 34.1004)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42A0 #A0882A

analogous

#2A7DA0 #2A42A0 #4D2AA0

triadic

#2A42A0 #A02A42 #42A02A

tetradic

#2A42A0 #A02A7D #A0882A #2AA04D

square

#2A42A0 #A02A7D #A0882A #2AA04D

split-complementary

#2A42A0 #A04D2A #7DA02A

monochromatic

#111A3F #1D2E70 #2A42A0 #3C59CC #6C82D8

Accessibility & contrast

On white

8.80

#2A42A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2A42A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42A0

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42A0	#FFFFFF	#000000	##FFFFFF
##2A42A0	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A3

Deuteranopia (green-blind)

#00459E

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2a42a0;
/* rgb */ color: rgb(42, 66, 160);
/* oklch */ color: oklch(42.0% 0.155 268.1);

Tailwind

colors: {
  custom: {
    50: '#7476bd',
    500: '#2a42a0',
    950: '#000000',
  },
}

SCSS

$custom: #2a42a0;
$custom-light: #7476bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42a0",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 160
  },
  "hsl": {
    "h": 227.797,
    "s": 58.416,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41999,
    "c": 0.15495,
    "h": 268.1
  },
  "luminance": 0.06927
}

Semantic roles & 50–950 ramp

primary

#2A42A0

secondary

#BFAD67

accent

#C246E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2A42A0

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

Preview Lab → · Contrast checker → · Palette generator →