#234DA5#234DA5

#234DA5 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.4% C 0.150 H 262.7°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#234DA5
RGB	rgb(35, 77, 165)
HSL	hsl(221, 65%, 39%)
HSV	hsv(221, 79%, 65%)
CMYK	cmyk(78.8%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(34.76, 18.30, -51.63)
CIE-LCH	lch(34.76, 54.78, 289.52°)
OKLab	oklab(44.4% -0.019 -0.1488)
OKLCH	oklch(44.4% 0.15 262.7)
XYZ	xyz(10.1361, 8.3805, 36.6734)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234DA5 #A57B23

analogous

#238EA5 #234DA5 #3A23A5

triadic

#234DA5 #A5234D #4DA523

tetradic

#234DA5 #A5238E #A57B23 #23A53A

square

#234DA5 #A5238E #A57B23 #23A53A

split-complementary

#234DA5 #A53A23 #8EA523

monochromatic

#0E1E40 #183573 #234DA5 #3266D3 #648CDE

Accessibility & contrast

On white

7.85

#234DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#234DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234DA5

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234DA5	#FFFFFF	#000000	##FFFFFF
##234DA5	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C58A8

Deuteranopia (green-blind)

#004CA3

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #234da5;
/* rgb */ color: rgb(35, 77, 165);
/* oklch */ color: oklch(44.4% 0.150 262.7);

Tailwind

colors: {
  custom: {
    50: '#737ec0',
    500: '#234da5',
    950: '#000000',
  },
}

SCSS

$custom: #234da5;
$custom-light: #737ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#234da5",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 220.615,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44396,
    "c": 0.14997,
    "h": 262.7
  },
  "luminance": 0.08382
}

Semantic roles & 50–950 ramp

primary

#234DA5

secondary

#C4A360

accent

#B240E8

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234DA5

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

Preview Lab → · Contrast checker → · Palette generator →