#234DA3#234DA3

#234DA3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.2% C 0.147 H 262.5°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#234DA3
RGB	rgb(35, 77, 163)
HSL	hsl(220, 65%, 39%)
HSV	hsv(220, 79%, 64%)
CMYK	cmyk(78.5%, 52.8%, 0%, 36.1%)
CIE-LAB	lab(34.62, 17.52, -50.67)
CIE-LCH	lch(34.62, 53.61, 289.07°)
OKLab	oklab(44.24% -0.0193 -0.1459)
OKLCH	oklch(44.24% 0.147 262.5)
XYZ	xyz(9.9555, 8.3083, 35.7222)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234DA3 #A37923

analogous

#238DA3 #234DA3 #3923A3

triadic

#234DA3 #A3234D #4DA323

tetradic

#234DA3 #A3238D #A37923 #23A339

square

#234DA3 #A3238D #A37923 #23A339

split-complementary

#234DA3 #A33923 #8DA323

monochromatic

#0D1D3E #183571 #234DA3 #3166D3 #638BDD

Accessibility & contrast

On white

7.89

#234DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#234DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234DA3

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234DA3	#FFFFFF	#000000	##FFFFFF
##234DA3	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1158A6

Deuteranopia (green-blind)

#004CA1

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #234da3;
/* rgb */ color: rgb(35, 77, 163);
/* oklch */ color: oklch(44.2% 0.147 262.5);

Tailwind

colors: {
  custom: {
    50: '#727ebf',
    500: '#234da3',
    950: '#000000',
  },
}

SCSS

$custom: #234da3;
$custom-light: #727ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#234da3",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 163
  },
  "hsl": {
    "h": 220.313,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.44238,
    "c": 0.1472,
    "h": 262.5
  },
  "luminance": 0.08309
}

Semantic roles & 50–950 ramp

primary

#234DA3

secondary

#C3A25F

accent

#B140E8

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234DA3

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

Preview Lab → · Contrast checker → · Palette generator →