#234D9D#234D9D

#234D9D is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.8% C 0.139 H 261.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#234D9D
RGB	rgb(35, 77, 157)
HSL	hsl(219, 64%, 38%)
HSV	hsv(219, 78%, 62%)
CMYK	cmyk(77.7%, 51%, 0%, 38.4%)
CIE-LAB	lab(34.19, 15.15, -47.76)
CIE-LCH	lch(34.19, 50.10, 287.60°)
OKLab	oklab(43.77% -0.02 -0.1374)
OKLCH	oklch(43.77% 0.139 261.7)
XYZ	xyz(9.4306, 8.0983, 32.9579)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D9D #9D7323

analogous

#238A9D #234D9D #36239D

triadic

#234D9D #9D234D #4D9D23

tetradic

#234D9D #9D238A #9D7323 #239D36

square

#234D9D #9D238A #9D7323 #239D36

split-complementary

#234D9D #9D3623 #8A9D23

monochromatic

#0D1C39 #18346B #234D9D #2E66CF #5F8ADB

Accessibility & contrast

On white

8.02

#234D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#234D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D9D

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D9D	#FFFFFF	#000000	##FFFFFF
##234D9D	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C56A0

Deuteranopia (green-blind)

#004B9B

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #234d9d;
/* rgb */ color: rgb(35, 77, 157);
/* oklch */ color: oklch(43.8% 0.139 261.7);

Tailwind

colors: {
  custom: {
    50: '#717eba',
    500: '#234d9d',
    950: '#000000',
  },
}

SCSS

$custom: #234d9d;
$custom-light: #717eba;
$custom-dark: #000000;

JSON

{
  "hex": "#234d9d",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 157
  },
  "hsl": {
    "h": 219.344,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.43774,
    "c": 0.13881,
    "h": 261.7
  },
  "luminance": 0.08099
}

Semantic roles & 50–950 ramp

primary

#234D9D

secondary

#C09E5C

accent

#AE41E7

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234D9D

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

Preview Lab → · Contrast checker → · Palette generator →