#2345B3#2345B3

#2345B3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.179 H 265.9°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#2345B3
RGB	rgb(35, 69, 179)
HSL	hsl(226, 67%, 42%)
HSV	hsv(226, 80%, 70%)
CMYK	cmyk(80.4%, 61.5%, 0%, 29.8%)
CIE-LAB	lab(33.70, 29.09, -61.69)
CIE-LCH	lch(33.70, 68.21, 295.24°)
OKLab	oklab(43.95% -0.0129 -0.1784)
OKLCH	oklch(43.95% 0.179 265.9)
XYZ	xyz(10.9551, 7.8670, 43.5802)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2345B3 #B39123

analogous

#238DB3 #2345B3 #4923B3

triadic

#2345B3 #B32345 #45B323

tetradic

#2345B3 #B3238D #B39123 #23B349

square

#2345B3 #B3238D #B39123 #23B349

split-complementary

#2345B3 #B34923 #8DB323

monochromatic

#0F1E4D #193180 #2345B3 #3B60D9 #6E89E3

Accessibility & contrast

On white

8.16

#2345B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2345B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2345B3

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2345B3	#FFFFFF	#000000	##FFFFFF
##2345B3	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2345b3;
/* rgb */ color: rgb(35, 69, 179);
/* oklch */ color: oklch(43.9% 0.179 265.9);

Tailwind

colors: {
  custom: {
    50: '#7778cb',
    500: '#2345b3',
    950: '#000000',
  },
}

SCSS

$custom: #2345b3;
$custom-light: #7778cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2345b3",
  "rgb": {
    "r": 35,
    "g": 69,
    "b": 179
  },
  "hsl": {
    "h": 225.833,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43947,
    "c": 0.17891,
    "h": 265.9
  },
  "luminance": 0.07868
}

Semantic roles & 50–950 ramp

primary

#2345B3

secondary

#C9B269

accent

#C13EEA

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2345B3

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

Preview Lab → · Contrast checker → · Palette generator →