#234FA3#234FA3

#234FA3 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.145 H 261.7°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#234FA3
RGB	rgb(35, 79, 163)
HSL	hsl(219, 65%, 39%)
HSV	hsv(219, 79%, 64%)
CMYK	cmyk(78.5%, 51.5%, 0%, 36.1%)
CIE-LAB	lab(35.19, 16.17, -49.75)
CIE-LCH	lch(35.19, 52.31, 288.01°)
OKLab	oklab(44.67% -0.0208 -0.1432)
OKLCH	oklch(44.67% 0.145 261.7)
XYZ	xyz(10.0976, 8.5925, 35.7696)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234FA3 #A37723

analogous

#238FA3 #234FA3 #3723A3

triadic

#234FA3 #A3234F #4FA323

tetradic

#234FA3 #A3238F #A37723 #23A337

square

#234FA3 #A3238F #A37723 #23A337

split-complementary

#234FA3 #A33723 #8FA323

monochromatic

#0D1E3E #183771 #234FA3 #3168D3 #638DDD

Accessibility & contrast

On white

7.72

#234FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#234FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234FA3

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234FA3	#FFFFFF	#000000	##FFFFFF
##234FA3	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1959A6

Deuteranopia (green-blind)

#004DA1

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #234fa3;
/* rgb */ color: rgb(35, 79, 163);
/* oklch */ color: oklch(44.7% 0.145 261.7);

Tailwind

colors: {
  custom: {
    50: '#727fbf',
    500: '#234fa3',
    950: '#000000',
  },
}

SCSS

$custom: #234fa3;
$custom-light: #727fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#234fa3",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 163
  },
  "hsl": {
    "h": 219.375,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.44673,
    "c": 0.14468,
    "h": 261.7
  },
  "luminance": 0.08594
}

Semantic roles & 50–950 ramp

primary

#234FA3

secondary

#C3A05F

accent

#AE40E8

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #234FA3

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

Preview Lab → · Contrast checker → · Palette generator →