#234F9A#234F9A

#234F9A is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.0% C 0.132 H 260.4°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#234F9A
RGB	rgb(35, 79, 154)
HSL	hsl(218, 63%, 37%)
HSV	hsv(218, 77%, 60%)
CMYK	cmyk(77.3%, 48.7%, 0%, 39.6%)
CIE-LAB	lab(34.56, 12.62, -45.34)
CIE-LCH	lch(34.56, 47.07, 285.56°)
OKLab	oklab(44% -0.0221 -0.1302)
OKLCH	oklch(44% 0.132 260.4)
XYZ	xyz(9.3197, 8.2813, 31.6729)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F9A #9A6E23

analogous

#238B9A #234F9A #32239A

triadic

#234F9A #9A234F #4F9A23

tetradic

#234F9A #9A238B #9A6E23 #239A32

square

#234F9A #9A238B #9A6E23 #239A32

split-complementary

#234F9A #9A3223 #8B9A23

monochromatic

#0C1C36 #183568 #234F9A #2E69CC #5D8BDA

Accessibility & contrast

On white

7.91

#234F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#234F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F9A

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F9A	#FFFFFF	#000000	##FFFFFF
##234F9A	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25579D

Deuteranopia (green-blind)

#004C98

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #234f9a;
/* rgb */ color: rgb(35, 79, 154);
/* oklch */ color: oklch(44.0% 0.132 260.4);

Tailwind

colors: {
  custom: {
    50: '#707fb8',
    500: '#234f9a',
    950: '#000000',
  },
}

SCSS

$custom: #234f9a;
$custom-light: #707fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#234f9a",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 154
  },
  "hsl": {
    "h": 217.815,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.43995,
    "c": 0.13208,
    "h": 260.4
  },
  "luminance": 0.08282
}

Semantic roles & 50–950 ramp

primary

#234F9A

secondary

#BF9A5A

accent

#A942E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #234F9A

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

Preview Lab → · Contrast checker → · Palette generator →