#2A2F91#2A2F91

#2A2F91 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.158 H 273.4°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#2A2F91
RGB	rgb(42, 47, 145)
HSL	hsl(237, 55%, 37%)
HSV	hsv(237, 71%, 57%)
CMYK	cmyk(71%, 67.6%, 0%, 43.1%)
CIE-LAB	lab(25.47, 31.64, -54.60)
CIE-LCH	lch(25.47, 63.10, 300.09°)
OKLab	oklab(37.05% 0.0094 -0.1577)
OKLCH	oklch(37.05% 0.158 273.4)
XYZ	xyz(7.0805, 4.5689, 27.2913)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2F91 #918C2A

analogous

#2A6391 #2A2F91 #592A91

triadic

#2A2F91 #912A2F #2F912A

tetradic

#2A2F91 #912A63 #918C2A #2A9159

square

#2A2F91 #912A63 #918C2A #2A9159

split-complementary

#2A2F91 #91592A #63912A

monochromatic

#0F1032 #1C2062 #2A2F91 #383EC0 #6369D2

Accessibility & contrast

On white

10.97

#2A2F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2A2F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2F91

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2F91	#FFFFFF	#000000	##FFFFFF
##2A2F91	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)

#004194

Deuteranopia (green-blind)

#00388F

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a2f91;
/* rgb */ color: rgb(42, 47, 145);
/* oklch */ color: oklch(37.0% 0.158 273.4);

Tailwind

colors: {
  custom: {
    50: '#7368b2',
    500: '#2a2f91',
    950: '#000000',
  },
}

SCSS

$custom: #2a2f91;
$custom-light: #7368b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2f91",
  "rgb": {
    "r": 42,
    "g": 47,
    "b": 145
  },
  "hsl": {
    "h": 237.087,
    "s": 55.08,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37045,
    "c": 0.15801,
    "h": 273.4
  },
  "luminance": 0.0457
}

Semantic roles & 50–950 ramp

primary

#2A2F91

secondary

#B8B45F

accent

#D749DE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2A2F91

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

Preview Lab → · Contrast checker → · Palette generator →