#2A2FA0#2A2FA0

#2A2FA0 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.5% C 0.178 H 272.5°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#2A2FA0
RGB	rgb(42, 47, 160)
HSL	hsl(237, 58%, 40%)
HSV	hsv(237, 74%, 63%)
CMYK	cmyk(73.8%, 70.6%, 0%, 37.3%)
CIE-LAB	lab(26.91, 36.99, -61.42)
CIE-LCH	lch(26.91, 71.70, 301.06°)
OKLab	oklab(38.53% 0.0077 -0.1777)
OKLCH	oklch(38.53% 0.178 272.5)
XYZ	xyz(8.3144, 5.0625, 33.7899)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2FA0 #A09B2A

analogous

#2A6AA0 #2A2FA0 #602AA0

triadic

#2A2FA0 #A02A2F #2FA02A

tetradic

#2A2FA0 #A02A6A #A09B2A #2AA060

square

#2A2FA0 #A02A6A #A09B2A #2AA060

split-complementary

#2A2FA0 #A0602A #6AA02A

monochromatic

#11133F #1D2170 #2A2FA0 #3C42CC #6C71D8

Accessibility & contrast

On white

10.43

#2A2FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2A2FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2FA0

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2FA0	#FFFFFF	#000000	##FFFFFF
##2A2FA0	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A3

Deuteranopia (green-blind)

#003A9E

Tritanopia (blue-blind)

#004E64

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a2fa0;
/* rgb */ color: rgb(42, 47, 160);
/* oklch */ color: oklch(38.5% 0.178 272.5);

Tailwind

colors: {
  custom: {
    50: '#7668bd',
    500: '#2a2fa0',
    950: '#000000',
  },
}

SCSS

$custom: #2a2fa0;
$custom-light: #7668bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2fa0",
  "rgb": {
    "r": 42,
    "g": 47,
    "b": 160
  },
  "hsl": {
    "h": 237.458,
    "s": 58.416,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38528,
    "c": 0.17783,
    "h": 272.5
  },
  "luminance": 0.05063
}

Semantic roles & 50–950 ramp

primary

#2A2FA0

secondary

#BFBB67

accent

#DB46E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A2FA0

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

Preview Lab → · Contrast checker → · Palette generator →