#2B2598#2B2598

#2B2598 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.2% C 0.178 H 275.1°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B2598
RGB	rgb(43, 37, 152)
HSL	hsl(243, 61%, 37%)
HSV	hsv(243, 76%, 60%)
CMYK	cmyk(71.7%, 75.7%, 0%, 40.4%)
CIE-LAB	lab(24.01, 40.31, -61.31)
CIE-LCH	lch(24.01, 73.38, 303.32°)
OKLab	oklab(36.23% 0.0159 -0.1773)
OKLCH	oklch(36.23% 0.178 275.1)
XYZ	xyz(7.3235, 4.1030, 30.1057)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2598 #929825

analogous

#255998 #2B2598 #642598

triadic

#2B2598 #982B25 #25982B

tetradic

#2B2598 #982559 #929825 #259864

square

#2B2598 #982559 #929825 #259864

split-complementary

#2B2598 #986425 #599825

monochromatic

#0F0D36 #1D1967 #2B2598 #3931C9 #665FD8

Accessibility & contrast

On white

11.53

#2B2598 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2B2598 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2598

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2598	#FFFFFF	#000000	##FFFFFF
##2B2598	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9B

Deuteranopia (green-blind)

#003496

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2b2598;
/* rgb */ color: rgb(43, 37, 152);
/* oklch */ color: oklch(36.2% 0.178 275.1);

Tailwind

colors: {
  custom: {
    50: '#7661b7',
    500: '#2b2598',
    950: '#000000',
  },
}

SCSS

$custom: #2b2598;
$custom-light: #7661b7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2598",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 152
  },
  "hsl": {
    "h": 243.13,
    "s": 60.847,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36225,
    "c": 0.17799,
    "h": 275.1
  },
  "luminance": 0.04104
}

Semantic roles & 50–950 ramp

primary

#2B2598

secondary

#B8BD5C

accent

#E444DC

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #2B2598

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

Preview Lab → · Contrast checker → · Palette generator →