#2A3C91#2A3C91

#2A3C91 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.142 H 269.7°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C91
RGB	rgb(42, 60, 145)
HSL	hsl(230, 55%, 37%)
HSV	hsv(230, 71%, 57%)
CMYK	cmyk(71%, 58.6%, 0%, 43.1%)
CIE-LAB	lab(28.82, 22.98, -49.14)
CIE-LCH	lch(28.82, 54.24, 295.06°)
OKLab	oklab(39.52% -0.0008 -0.1416)
OKLCH	oklch(39.52% 0.142 269.7)
XYZ	xyz(7.6798, 5.7675, 27.4911)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C91 #917F2A

analogous

#2A7091 #2A3C91 #4C2A91

triadic

#2A3C91 #912A3C #3C912A

tetradic

#2A3C91 #912A70 #917F2A #2A914C

square

#2A3C91 #912A70 #917F2A #2A914C

split-complementary

#2A3C91 #914C2A #70912A

monochromatic

#0F1532 #1C2862 #2A3C91 #3850C0 #6377D2

Accessibility & contrast

On white

9.75

#2A3C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2A3C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C91

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C91	#FFFFFF	#000000	##FFFFFF
##2A3C91	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004994

Deuteranopia (green-blind)

#003F8F

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a3c91;
/* rgb */ color: rgb(42, 60, 145);
/* oklch */ color: oklch(39.5% 0.142 269.7);

Tailwind

colors: {
  custom: {
    50: '#7171b2',
    500: '#2a3c91',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c91;
$custom-light: #7171b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c91",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 145
  },
  "hsl": {
    "h": 229.515,
    "s": 55.08,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39515,
    "c": 0.14156,
    "h": 269.7
  },
  "luminance": 0.05768
}

Semantic roles & 50–950 ramp

primary

#2A3C91

secondary

#B8A85F

accent

#C449DE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3C91

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

Preview Lab → · Contrast checker → · Palette generator →