#234DB5#234DB5

#234DB5 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.7% C 0.172 H 264.1°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#234DB5
RGB	rgb(35, 77, 181)
HSL	hsl(223, 68%, 42%)
HSV	hsv(223, 81%, 71%)
CMYK	cmyk(80.7%, 57.5%, 0%, 29%)
CIE-LAB	lab(35.98, 24.55, -59.16)
CIE-LCH	lch(35.98, 64.05, 292.53°)
OKLab	oklab(45.7% -0.0178 -0.1709)
OKLCH	oklch(45.7% 0.172 264.1)
XYZ	xyz(11.6845, 8.9999, 44.8284)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234DB5 #B58B23

analogous

#2396B5 #234DB5 #4223B5

triadic

#234DB5 #B5234D #4DB523

tetradic

#234DB5 #B52396 #B58B23 #23B542

square

#234DB5 #B52396 #B58B23 #23B542

split-complementary

#234DB5 #B54223 #96B523

monochromatic

#0F214E #193782 #234DB5 #3C69D9 #6F91E3

Accessibility & contrast

On white

7.50

#234DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#234DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234DB5

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234DB5	#FFFFFF	#000000	##FFFFFF
##234DB5	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB9

Deuteranopia (green-blind)

#004EB3

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #234db5;
/* rgb */ color: rgb(35, 77, 181);
/* oklch */ color: oklch(45.7% 0.172 264.1);

Tailwind

colors: {
  custom: {
    50: '#777ecc',
    500: '#234db5',
    950: '#000000',
  },
}

SCSS

$custom: #234db5;
$custom-light: #777ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#234db5",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 181
  },
  "hsl": {
    "h": 222.74,
    "s": 67.593,
    "l": 42.353
  },
  "oklch": {
    "l": 0.45703,
    "c": 0.17181,
    "h": 264.1
  },
  "luminance": 0.09001
}

Semantic roles & 50–950 ramp

primary

#234DB5

secondary

#CAAE6A

accent

#B93DEA

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #234DB5

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

Preview Lab → · Contrast checker → · Palette generator →