#234DA4#234DA4

#234DA4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.149 H 262.6°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#234DA4
RGB	rgb(35, 77, 164)
HSL	hsl(220, 65%, 39%)
HSV	hsv(220, 79%, 64%)
CMYK	cmyk(78.7%, 53%, 0%, 35.7%)
CIE-LAB	lab(34.69, 17.91, -51.15)
CIE-LCH	lch(34.69, 54.20, 289.30°)
OKLab	oklab(44.32% -0.0192 -0.1473)
OKLCH	oklch(44.32% 0.149 262.6)
XYZ	xyz(10.0455, 8.3443, 36.1959)
Luminance	0.0834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234DA4 #A47A23

analogous

#238EA4 #234DA4 #3A23A4

triadic

#234DA4 #A4234D #4DA423

tetradic

#234DA4 #A4238E #A47A23 #23A43A

square

#234DA4 #A4238E #A47A23 #23A43A

split-complementary

#234DA4 #A43A23 #8EA423

monochromatic

#0D1E3F #183572 #234DA4 #3166D3 #648BDE

Accessibility & contrast

On white

7.87

#234DA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#234DA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234DA4

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234DA4	#FFFFFF	#000000	##FFFFFF
##234DA4	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F58A7

Deuteranopia (green-blind)

#004CA2

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #234da4;
/* rgb */ color: rgb(35, 77, 164);
/* oklch */ color: oklch(44.3% 0.149 262.6);

Tailwind

colors: {
  custom: {
    50: '#727ec0',
    500: '#234da4',
    950: '#000000',
  },
}

SCSS

$custom: #234da4;
$custom-light: #727ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#234da4",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 164
  },
  "hsl": {
    "h": 220.465,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.44317,
    "c": 0.14859,
    "h": 262.6
  },
  "luminance": 0.08345
}

Semantic roles & 50–950 ramp

primary

#234DA4

secondary

#C3A360

accent

#B140E8

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234DA4

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

Preview Lab → · Contrast checker → · Palette generator →