#2A25A6#2A25A6

#2A25A6 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.195 H 273.4°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#2A25A6
RGB	rgb(42, 37, 166)
HSL	hsl(242, 64%, 40%)
HSV	hsv(242, 78%, 65%)
CMYK	cmyk(74.7%, 77.7%, 0%, 34.9%)
CIE-LAB	lab(25.47, 44.84, -67.44)
CIE-LCH	lch(25.47, 80.99, 303.62°)
OKLab	oklab(37.69% 0.0117 -0.1951)
OKLCH	oklch(37.69% 0.195 273.4)
XYZ	xyz(8.4971, 4.5677, 36.5028)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A25A6 #A1A625

analogous

#2560A6 #2A25A6 #6B25A6

triadic

#2A25A6 #A62A25 #25A62A

tetradic

#2A25A6 #A62560 #A1A625 #25A66B

square

#2A25A6 #A62560 #A1A625 #25A66B

split-complementary

#2A25A6 #A66B25 #60A625

monochromatic

#110F42 #1D1A74 #2A25A6 #3C36D2 #6D68DD

Accessibility & contrast

On white

10.97

#2A25A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2A25A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A25A6

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A25A6	#FFFFFF	#000000	##FFFFFF
##2A25A6	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AA

Deuteranopia (green-blind)

#0036A4

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a25a6;
/* rgb */ color: rgb(42, 37, 166);
/* oklch */ color: oklch(37.7% 0.195 273.4);

Tailwind

colors: {
  custom: {
    50: '#7962c2',
    500: '#2a25a6',
    950: '#000000',
  },
}

SCSS

$custom: #2a25a6;
$custom-light: #7962c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a25a6",
  "rgb": {
    "r": 42,
    "g": 37,
    "b": 166
  },
  "hsl": {
    "h": 242.326,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37686,
    "c": 0.19549,
    "h": 273.4
  },
  "luminance": 0.04569
}

Semantic roles & 50–950 ramp

primary

#2A25A6

secondary

#C0C364

accent

#E741E0

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2A25A6

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

Preview Lab → · Contrast checker → · Palette generator →