#2F42A1#2F42A1

#2F42A1 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.3% C 0.155 H 269.9°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F42A1
RGB	rgb(47, 66, 161)
HSL	hsl(230, 55%, 41%)
HSV	hsv(230, 71%, 63%)
CMYK	cmyk(70.8%, 59%, 0%, 36.9%)
CIE-LAB	lab(31.97, 25.68, -53.73)
CIE-LCH	lch(31.97, 59.55, 295.54°)
OKLab	oklab(42.34% -0.0003 -0.1549)
OKLCH	oklch(42.34% 0.155 269.9)
XYZ	xyz(9.5513, 7.0730, 34.5732)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F42A1 #A18E2F

analogous

#2F7BA1 #2F42A1 #552FA1

triadic

#2F42A1 #A12F42 #42A12F

tetradic

#2F42A1 #A12F7B #A18E2F #2FA155

square

#2F42A1 #A12F7B #A18E2F #2FA155

split-complementary

#2F42A1 #A1552F #7BA12F

monochromatic

#131B42 #212F72 #2F42A1 #455BC9 #7484D6

Accessibility & contrast

On white

8.70

#2F42A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2F42A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F42A1

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F42A1	#FFFFFF	#000000	##FFFFFF
##2F42A1	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A4

Deuteranopia (green-blind)

#00469F

Tritanopia (blue-blind)

#005A6B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f42a1;
/* rgb */ color: rgb(47, 66, 161);
/* oklch */ color: oklch(42.3% 0.155 269.9);

Tailwind

colors: {
  custom: {
    50: '#7776be',
    500: '#2f42a1',
    950: '#000000',
  },
}

SCSS

$custom: #2f42a1;
$custom-light: #7776be;
$custom-dark: #000000;

JSON

{
  "hex": "#2f42a1",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 161
  },
  "hsl": {
    "h": 230,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42344,
    "c": 0.15489,
    "h": 269.9
  },
  "luminance": 0.07074
}

Semantic roles & 50–950 ramp

primary

#2F42A1

secondary

#BEB16E

accent

#C54ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F42A1

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

Preview Lab → · Contrast checker → · Palette generator →