#234FA5#234FA5

#234FA5 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.8% C 0.147 H 262.0°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#234FA5
RGB	rgb(35, 79, 165)
HSL	hsl(220, 65%, 39%)
HSV	hsv(220, 79%, 65%)
CMYK	cmyk(78.8%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(35.33, 16.96, -50.71)
CIE-LCH	lch(35.33, 53.47, 288.49°)
OKLab	oklab(44.83% -0.0206 -0.146)
OKLCH	oklch(44.83% 0.147 262)
XYZ	xyz(10.2782, 8.6647, 36.7208)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234FA5 #A57923

analogous

#2390A5 #234FA5 #3823A5

triadic

#234FA5 #A5234F #4FA523

tetradic

#234FA5 #A52390 #A57923 #23A538

square

#234FA5 #A52390 #A57923 #23A538

split-complementary

#234FA5 #A53823 #90A523

monochromatic

#0E1F40 #183773 #234FA5 #3268D3 #648EDE

Accessibility & contrast

On white

7.68

#234FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#234FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234FA5

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234FA5	#FFFFFF	#000000	##FFFFFF
##234FA5	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1659A8

Deuteranopia (green-blind)

#004DA3

Tritanopia (blue-blind)

#006472

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #234fa5;
/* rgb */ color: rgb(35, 79, 165);
/* oklch */ color: oklch(44.8% 0.147 262.0);

Tailwind

colors: {
  custom: {
    50: '#727fc0',
    500: '#234fa5',
    950: '#000000',
  },
}

SCSS

$custom: #234fa5;
$custom-light: #727fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#234fa5",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 219.692,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44828,
    "c": 0.14746,
    "h": 262
  },
  "luminance": 0.08666
}

Semantic roles & 50–950 ramp

primary

#234FA5

secondary

#C4A260

accent

#AF40E8

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #234FA5

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

Preview Lab → · Contrast checker → · Palette generator →