#2D33AB#2D33AB

#2D33AB is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.5% C 0.187 H 272.3°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#2D33AB
RGB	rgb(45, 51, 171)
HSL	hsl(237, 58%, 42%)
HSV	hsv(237, 74%, 67%)
CMYK	cmyk(73.7%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(29.07, 38.71, -64.51)
CIE-LCH	lch(29.07, 75.23, 300.96°)
OKLab	oklab(40.46% 0.0074 -0.1866)
OKLCH	oklch(40.46% 0.187 272.3)
XYZ	xyz(9.6142, 5.8648, 39.1455)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D33AB #ABA52D

analogous

#2D72AB #2D33AB #662DAB

triadic

#2D33AB #AB2D33 #33AB2D

tetradic

#2D33AB #AB2D72 #ABA52D #2DAB66

square

#2D33AB #AB2D72 #ABA52D #2DAB66

split-complementary

#2D33AB #AB662D #72AB2D

monochromatic

#14164A #20257B #2D33AB #474DCE #777CDB

Accessibility & contrast

On white

9.66

#2D33AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2D33AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33AB

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33AB	#FFFFFF	#000000	##FFFFFF
##2D33AB	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2d33ab;
/* rgb */ color: rgb(45, 51, 171);
/* oklch */ color: oklch(40.5% 0.187 272.3);

Tailwind

colors: {
  custom: {
    50: '#7a6bc5',
    500: '#2d33ab',
    950: '#000000',
  },
}

SCSS

$custom: #2d33ab;
$custom-light: #7a6bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33ab",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 237.143,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40456,
    "c": 0.18675,
    "h": 272.3
  },
  "luminance": 0.05866
}

Semantic roles & 50–950 ramp

primary

#2D33AB

secondary

#C3BF71

accent

#DA46E2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D33AB

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

Preview Lab → · Contrast checker → · Palette generator →