#2D43B0#2D43B0

#2D43B0 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.175 H 269.0°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#2D43B0
RGB	rgb(45, 67, 176)
HSL	hsl(230, 59%, 43%)
HSV	hsv(230, 74%, 69%)
CMYK	cmyk(74.4%, 61.9%, 0%, 31%)
CIE-LAB	lab(33.36, 30.33, -60.46)
CIE-LCH	lch(33.36, 67.63, 296.64°)
OKLab	oklab(43.73% -0.003 -0.1746)
OKLCH	oklch(43.73% 0.175 269)
XYZ	xyz(10.9231, 7.7056, 41.9775)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D43B0 #B09A2D

analogous

#2D84B0 #2D43B0 #592DB0

triadic

#2D43B0 #B02D43 #43B02D

tetradic

#2D43B0 #B02D84 #B09A2D #2DB059

square

#2D43B0 #B02D84 #B09A2D #2DB059

split-complementary

#2D43B0 #B0592D #84B02D

monochromatic

#141E4F #21307F #2D43B0 #4A60D1 #7A8BDD

Accessibility & contrast

On white

8.26

#2D43B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2D43B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D43B0

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D43B0	#FFFFFF	#000000	##FFFFFF
##2D43B0	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B4

Deuteranopia (green-blind)

#0048AE

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2d43b0;
/* rgb */ color: rgb(45, 67, 176);
/* oklch */ color: oklch(43.7% 0.175 269.0);

Tailwind

colors: {
  custom: {
    50: '#7977c9',
    500: '#2d43b0',
    950: '#000000',
  },
}

SCSS

$custom: #2d43b0;
$custom-light: #7977c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d43b0",
  "rgb": {
    "r": 45,
    "g": 67,
    "b": 176
  },
  "hsl": {
    "h": 229.924,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43732,
    "c": 0.17468,
    "h": 269
  },
  "luminance": 0.07707
}

Semantic roles & 50–950 ramp

primary

#2D43B0

secondary

#C5B873

accent

#C845E2

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2D43B0

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

Preview Lab → · Contrast checker → · Palette generator →