#234AB3#234AB3

#234AB3 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.9% C 0.173 H 264.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#234AB3
RGB	rgb(35, 74, 179)
HSL	hsl(224, 67%, 42%)
HSV	hsv(224, 80%, 70%)
CMYK	cmyk(80.4%, 58.7%, 0%, 29.8%)
CIE-LAB	lab(35.02, 25.77, -59.55)
CIE-LCH	lch(35.02, 64.88, 293.40°)
OKLab	oklab(44.93% -0.0159 -0.1721)
OKLCH	oklch(44.93% 0.173 264.7)
XYZ	xyz(11.2757, 8.5082, 43.6871)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234AB3 #B38C23

analogous

#2392B3 #234AB3 #4423B3

triadic

#234AB3 #B3234A #4AB323

tetradic

#234AB3 #B32392 #B38C23 #23B344

square

#234AB3 #B32392 #B38C23 #23B344

split-complementary

#234AB3 #B34423 #92B323

monochromatic

#0F204D #193580 #234AB3 #3B65D9 #6E8DE3

Accessibility & contrast

On white

7.77

#234AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#234AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234AB3

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234AB3	#FFFFFF	#000000	##FFFFFF
##234AB3	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #234ab3;
/* rgb */ color: rgb(35, 74, 179);
/* oklch */ color: oklch(44.9% 0.173 264.7);

Tailwind

colors: {
  custom: {
    50: '#767ccb',
    500: '#234ab3',
    950: '#000000',
  },
}

SCSS

$custom: #234ab3;
$custom-light: #767ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#234ab3",
  "rgb": {
    "r": 35,
    "g": 74,
    "b": 179
  },
  "hsl": {
    "h": 223.75,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44929,
    "c": 0.17282,
    "h": 264.7
  },
  "luminance": 0.0851
}

Semantic roles & 50–950 ramp

primary

#234AB3

secondary

#C9AF69

accent

#BB3EEA

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #234AB3

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

Preview Lab → · Contrast checker → · Palette generator →