#234EB9#234EB9

#234EB9 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.176 H 264.1°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#234EB9
RGB	rgb(35, 78, 185)
HSL	hsl(223, 68%, 43%)
HSV	hsv(223, 81%, 73%)
CMYK	cmyk(81.1%, 57.8%, 0%, 27.5%)
CIE-LAB	lab(36.57, 25.43, -60.56)
CIE-LCH	lch(36.57, 65.68, 292.78°)
OKLab	oklab(46.24% -0.0182 -0.175)
OKLCH	oklch(46.24% 0.176 264.1)
XYZ	xyz(12.1714, 9.3074, 47.0446)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234EB9 #B98E23

analogous

#2399B9 #234EB9 #4323B9

triadic

#234EB9 #B9234E #4EB923

tetradic

#234EB9 #B92399 #B98E23 #23B943

square

#234EB9 #B92399 #B98E23 #23B943

split-complementary

#234EB9 #B94323 #99B923

monochromatic

#102352 #193886 #234EB9 #3F6BDB #7293E4

Accessibility & contrast

On white

7.34

#234EB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#234EB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234EB9

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234EB9	#FFFFFF	#000000	##FFFFFF
##234EB9	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBD

Deuteranopia (green-blind)

#004FB7

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #234eb9;
/* rgb */ color: rgb(35, 78, 185);
/* oklch */ color: oklch(46.2% 0.176 264.1);

Tailwind

colors: {
  custom: {
    50: '#777fcf',
    500: '#234eb9',
    950: '#000000',
  },
}

SCSS

$custom: #234eb9;
$custom-light: #777fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#234eb9",
  "rgb": {
    "r": 35,
    "g": 78,
    "b": 185
  },
  "hsl": {
    "h": 222.8,
    "s": 68.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46243,
    "c": 0.17593,
    "h": 264.1
  },
  "luminance": 0.09309
}

Semantic roles & 50–950 ramp

primary

#234EB9

secondary

#CBB06D

accent

#B93DEB

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #234EB9

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

Preview Lab → · Contrast checker → · Palette generator →