#2A2597#2A2597

#2A2597 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.0% C 0.177 H 274.8°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#2A2597
RGB	rgb(42, 37, 151)
HSL	hsl(243, 61%, 37%)
HSV	hsv(243, 75%, 59%)
CMYK	cmyk(72.2%, 75.5%, 0%, 40.8%)
CIE-LAB	lab(23.83, 39.87, -60.99)
CIE-LCH	lch(23.83, 72.87, 303.17°)
OKLab	oklab(36.05% 0.0148 -0.1764)
OKLCH	oklch(36.05% 0.177 274.8)
XYZ	xyz(7.2005, 4.0490, 29.6742)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2597 #929725

analogous

#255997 #2A2597 #632597

triadic

#2A2597 #972A25 #25972A

tetradic

#2A2597 #972559 #929725 #259763

square

#2A2597 #972559 #929725 #259763

split-complementary

#2A2597 #976325 #599725

monochromatic

#0F0D35 #1C1966 #2A2597 #3831C8 #645FD8

Accessibility & contrast

On white

11.60

#2A2597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2A2597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2597

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2597	#FFFFFF	#000000	##FFFFFF
##2A2597	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9A

Deuteranopia (green-blind)

#003395

Tritanopia (blue-blind)

#00465C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2a2597;
/* rgb */ color: rgb(42, 37, 151);
/* oklch */ color: oklch(36.0% 0.177 274.8);

Tailwind

colors: {
  custom: {
    50: '#7561b7',
    500: '#2a2597',
    950: '#000000',
  },
}

SCSS

$custom: #2a2597;
$custom-light: #7561b7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2597",
  "rgb": {
    "r": 42,
    "g": 37,
    "b": 151
  },
  "hsl": {
    "h": 242.632,
    "s": 60.638,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3605,
    "c": 0.17699,
    "h": 274.8
  },
  "luminance": 0.0405
}

Semantic roles & 50–950 ramp

primary

#2A2597

secondary

#B8BD5B

accent

#E444DD

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #2A2597

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

Preview Lab → · Contrast checker → · Palette generator →