#2341B3#2341B3

#2341B3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.184 H 266.7°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#2341B3
RGB	rgb(35, 65, 179)
HSL	hsl(228, 67%, 42%)
HSV	hsv(228, 80%, 70%)
CMYK	cmyk(80.4%, 63.7%, 0%, 29.8%)
CIE-LAB	lab(32.68, 31.72, -63.37)
CIE-LCH	lch(32.68, 70.86, 296.59°)
OKLab	oklab(43.19% -0.0106 -0.1834)
OKLCH	oklch(43.19% 0.184 266.7)
XYZ	xyz(10.7173, 7.3913, 43.5009)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2341B3 #B39523

analogous

#2389B3 #2341B3 #4D23B3

triadic

#2341B3 #B32341 #41B323

tetradic

#2341B3 #B32389 #B39523 #23B34D

square

#2341B3 #B32389 #B39523 #23B34D

split-complementary

#2341B3 #B34D23 #89B323

monochromatic

#0F1C4D #192E80 #2341B3 #3B5CD9 #6E86E3

Accessibility & contrast

On white

8.47

#2341B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2341B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2341B3

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2341B3	#FFFFFF	#000000	##FFFFFF
##2341B3	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#0046B1

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2341b3;
/* rgb */ color: rgb(35, 65, 179);
/* oklch */ color: oklch(43.2% 0.184 266.7);

Tailwind

colors: {
  custom: {
    50: '#7775cb',
    500: '#2341b3',
    950: '#000000',
  },
}

SCSS

$custom: #2341b3;
$custom-light: #7775cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2341b3",
  "rgb": {
    "r": 35,
    "g": 65,
    "b": 179
  },
  "hsl": {
    "h": 227.5,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4319,
    "c": 0.1837,
    "h": 266.7
  },
  "luminance": 0.07393
}

Semantic roles & 50–950 ramp

primary

#2341B3

secondary

#C9B569

accent

#C63EEA

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2341B3

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

Preview Lab → · Contrast checker → · Palette generator →