#2D1B8F#2D1B8F

#2D1B8F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.1% C 0.176 H 278.6°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#2D1B8F
RGB	rgb(45, 27, 143)
HSL	hsl(249, 68%, 33%)
HSV	hsv(249, 81%, 56%)
CMYK	cmyk(68.5%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(21.30, 42.97, -60.22)
CIE-LCH	lch(21.30, 73.98, 305.51°)
OKLab	oklab(34.07% 0.0262 -0.1739)
OKLCH	oklch(34.07% 0.176 278.6)
XYZ	xyz(6.4305, 3.3244, 26.2841)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1B8F #7D8F1B

analogous

#1B438F #2D1B8F #671B8F

triadic

#2D1B8F #8F2D1B #1B8F2D

tetradic

#2D1B8F #8F1B43 #7D8F1B #1B8F67

square

#2D1B8F #8F1B43 #7D8F1B #1B8F67

split-complementary

#2D1B8F #8F671B #438F1B

monochromatic

#0D0828 #1D115C #2D1B8F #3D25C2 #5F48DC

Accessibility & contrast

On white

12.61

#2D1B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#2D1B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1B8F

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1B8F	#FFFFFF	#000000	##FFFFFF
##2D1B8F	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003892

Deuteranopia (green-blind)

#002E8D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2d1b8f;
/* rgb */ color: rgb(45, 27, 143);
/* oklch */ color: oklch(34.1% 0.176 278.6);

Tailwind

colors: {
  custom: {
    50: '#755bb1',
    500: '#2d1b8f',
    950: '#000000',
  },
}

SCSS

$custom: #2d1b8f;
$custom-light: #755bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1b8f",
  "rgb": {
    "r": 45,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 249.31,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34069,
    "c": 0.17591,
    "h": 278.6
  },
  "luminance": 0.03325
}

Semantic roles & 50–950 ramp

primary

#2D1B8F

secondary

#ACBE48

accent

#EB3DD0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2D1B8F

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

Preview Lab → · Contrast checker → · Palette generator →