#234DB4#234DB4

#234DB4 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.170 H 264.0°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#234DB4
RGB	rgb(35, 77, 180)
HSL	hsl(223, 67%, 42%)
HSV	hsv(223, 81%, 71%)
CMYK	cmyk(80.6%, 57.2%, 0%, 29.4%)
CIE-LAB	lab(35.91, 24.16, -58.70)
CIE-LCH	lch(35.91, 63.47, 292.37°)
OKLab	oklab(45.62% -0.0178 -0.1695)
OKLCH	oklch(45.62% 0.17 264)
XYZ	xyz(11.5823, 8.9590, 44.2900)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234DB4 #B48A23

analogous

#2395B4 #234DB4 #4223B4

triadic

#234DB4 #B4234D #4DB423

tetradic

#234DB4 #B42395 #B48A23 #23B442

square

#234DB4 #B42395 #B48A23 #23B442

split-complementary

#234DB4 #B44223 #95B423

monochromatic

#0F214E #193781 #234DB4 #3B69D9 #6E90E3

Accessibility & contrast

On white

7.52

#234DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#234DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234DB4

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234DB4	#FFFFFF	#000000	##FFFFFF
##234DB4	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #234db4;
/* rgb */ color: rgb(35, 77, 180);
/* oklch */ color: oklch(45.6% 0.170 264.0);

Tailwind

colors: {
  custom: {
    50: '#767ecb',
    500: '#234db4',
    950: '#000000',
  },
}

SCSS

$custom: #234db4;
$custom-light: #767ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#234db4",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 180
  },
  "hsl": {
    "h": 222.621,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45619,
    "c": 0.17046,
    "h": 264
  },
  "luminance": 0.0896
}

Semantic roles & 50–950 ramp

primary

#234DB4

secondary

#C9AE69

accent

#B83DEA

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #234DB4

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

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