#234CB7#234CB7

#234CB7 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.176 H 264.4°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#234CB7
RGB	rgb(35, 76, 183)
HSL	hsl(223, 68%, 43%)
HSV	hsv(223, 81%, 72%)
CMYK	cmyk(80.9%, 58.5%, 0%, 28.2%)
CIE-LAB	lab(35.88, 25.98, -60.51)
CIE-LCH	lch(35.88, 65.86, 293.24°)
OKLab	oklab(45.67% -0.017 -0.1749)
OKLCH	oklch(45.67% 0.176 264.4)
XYZ	xyz(11.8218, 8.9437, 45.8938)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CB7 #B78E23

analogous

#2396B7 #234CB7 #4423B7

triadic

#234CB7 #B7234C #4CB723

tetradic

#234CB7 #B72396 #B78E23 #23B744

square

#234CB7 #B72396 #B78E23 #23B744

split-complementary

#234CB7 #B74423 #96B723

monochromatic

#0F2150 #193784 #234CB7 #3D69DA #7191E4

Accessibility & contrast

On white

7.53

#234CB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#234CB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CB7

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CB7	#FFFFFF	#000000	##FFFFFF
##234CB7	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBB

Deuteranopia (green-blind)

#004EB5

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #234cb7;
/* rgb */ color: rgb(35, 76, 183);
/* oklch */ color: oklch(45.7% 0.176 264.4);

Tailwind

colors: {
  custom: {
    50: '#777dcd',
    500: '#234cb7',
    950: '#000000',
  },
}

SCSS

$custom: #234cb7;
$custom-light: #777dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#234cb7",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 183
  },
  "hsl": {
    "h": 223.378,
    "s": 67.89,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45672,
    "c": 0.17572,
    "h": 264.4
  },
  "luminance": 0.08945
}

Semantic roles & 50–950 ramp

primary

#234CB7

secondary

#CAB06B

accent

#BB3DEB

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #234CB7

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

Preview Lab → · Contrast checker → · Palette generator →