#234F99#234F99

#234F99 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.9% C 0.131 H 260.2°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#234F99
RGB	rgb(35, 79, 153)
HSL	hsl(218, 63%, 37%)
HSV	hsv(218, 77%, 60%)
CMYK	cmyk(77.1%, 48.4%, 0%, 40%)
CIE-LAB	lab(34.49, 12.23, -44.85)
CIE-LCH	lch(34.49, 46.48, 285.25°)
OKLab	oklab(43.92% -0.0223 -0.1287)
OKLCH	oklch(43.92% 0.131 260.2)
XYZ	xyz(9.2368, 8.2481, 31.2361)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F99 #996D23

analogous

#238A99 #234F99 #322399

triadic

#234F99 #99234F #4F9923

tetradic

#234F99 #99238A #996D23 #239932

square

#234F99 #99238A #996D23 #239932

split-complementary

#234F99 #993223 #8A9923

monochromatic

#0C1C35 #183567 #234F99 #2E69CB #5D8BDA

Accessibility & contrast

On white

7.93

#234F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#234F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F99

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F99	#FFFFFF	#000000	##FFFFFF
##234F99	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26579C

Deuteranopia (green-blind)

#034C98

Tritanopia (blue-blind)

#00616C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #234f99;
/* rgb */ color: rgb(35, 79, 153);
/* oklch */ color: oklch(43.9% 0.131 260.2);

Tailwind

colors: {
  custom: {
    50: '#707fb7',
    500: '#234f99',
    950: '#000000',
  },
}

SCSS

$custom: #234f99;
$custom-light: #707fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#234f99",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 153
  },
  "hsl": {
    "h": 217.627,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43921,
    "c": 0.13067,
    "h": 260.2
  },
  "luminance": 0.08249
}

Semantic roles & 50–950 ramp

primary

#234F99

secondary

#BE9959

accent

#A942E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #234F99

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

Preview Lab → · Contrast checker → · Palette generator →