#2A2FB1#2A2FB1

#2A2FB1 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.199 H 271.5°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A2FB1
RGB	rgb(42, 47, 177)
HSL	hsl(238, 62%, 43%)
HSV	hsv(238, 76%, 69%)
CMYK	cmyk(76.3%, 73.4%, 0%, 30.6%)
CIE-LAB	lab(28.64, 42.88, -68.81)
CIE-LCH	lch(28.64, 81.08, 301.93°)
OKLab	oklab(40.28% 0.0053 -0.1992)
OKLCH	oklch(40.28% 0.199 271.5)
XYZ	xyz(9.9045, 5.6985, 42.1644)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2FB1 #B1AC2A

analogous

#2A72B1 #2A2FB1 #692AB1

triadic

#2A2FB1 #B12A2F #2FB12A

tetradic

#2A2FB1 #B12A72 #B1AC2A #2AB169

square

#2A2FB1 #B12A72 #B1AC2A #2AB169

split-complementary

#2A2FB1 #B1692A #72B12A

monochromatic

#13154E #1E2280 #2A2FB1 #454BD3 #777BDF

Accessibility & contrast

On white

9.81

#2A2FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A2FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2FB1

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2FB1	#FFFFFF	#000000	##FFFFFF
##2A2FB1	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB5

Deuteranopia (green-blind)

#003DAF

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a2fb1;
/* rgb */ color: rgb(42, 47, 177);
/* oklch */ color: oklch(40.3% 0.199 271.5);

Tailwind

colors: {
  custom: {
    50: '#7a69ca',
    500: '#2a2fb1',
    950: '#000000',
  },
}

SCSS

$custom: #2a2fb1;
$custom-light: #7a69ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2fb1",
  "rgb": {
    "r": 42,
    "g": 47,
    "b": 177
  },
  "hsl": {
    "h": 237.778,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40283,
    "c": 0.19928,
    "h": 271.5
  },
  "luminance": 0.057
}

Semantic roles & 50–950 ramp

primary

#2A2FB1

secondary

#C6C370

accent

#DF43E5

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2A2FB1

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

Preview Lab → · Contrast checker → · Palette generator →