#2B41B4#2B41B4

#2B41B4 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.6% C 0.183 H 268.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B41B4
RGB	rgb(43, 65, 180)
HSL	hsl(230, 61%, 44%)
HSV	hsv(230, 76%, 71%)
CMYK	cmyk(76.1%, 63.9%, 0%, 29.4%)
CIE-LAB	lab(33.11, 32.88, -63.25)
CIE-LCH	lch(33.11, 71.28, 297.47°)
OKLab	oklab(43.63% -0.0037 -0.1829)
OKLCH	oklch(43.63% 0.183 268.8)
XYZ	xyz(11.1219, 7.5883, 44.0497)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B41B4 #B49E2B

analogous

#2B85B4 #2B41B4 #592BB4

triadic

#2B41B4 #B42B41 #41B42B

tetradic

#2B41B4 #B42B85 #B49E2B #2BB459

square

#2B41B4 #B42B85 #B49E2B #2BB459

split-complementary

#2B41B4 #B4592B #85B42B

monochromatic

#131D51 #1F2F83 #2B41B4 #495FD3 #7A8ADF

Accessibility & contrast

On white

8.34

#2B41B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2B41B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B41B4

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B41B4	#FFFFFF	#000000	##FFFFFF
##2B41B4	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B8

Deuteranopia (green-blind)

#0048B2

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b41b4;
/* rgb */ color: rgb(43, 65, 180);
/* oklch */ color: oklch(43.6% 0.183 268.8);

Tailwind

colors: {
  custom: {
    50: '#7a75cb',
    500: '#2b41b4',
    950: '#000000',
  },
}

SCSS

$custom: #2b41b4;
$custom-light: #7a75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b41b4",
  "rgb": {
    "r": 43,
    "g": 65,
    "b": 180
  },
  "hsl": {
    "h": 230.365,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43627,
    "c": 0.18293,
    "h": 268.8
  },
  "luminance": 0.07589
}

Semantic roles & 50–950 ramp

primary

#2B41B4

secondary

#C7BA73

accent

#CB43E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B41B4

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

Preview Lab → · Contrast checker → · Palette generator →