#23479F#23479F

#23479F is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.6% C 0.149 H 264.2°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#23479F
RGB	rgb(35, 71, 159)
HSL	hsl(223, 64%, 38%)
HSV	hsv(223, 78%, 62%)
CMYK	cmyk(78%, 55.3%, 0%, 37.6%)
CIE-LAB	lab(32.63, 20.00, -51.49)
CIE-LCH	lch(32.63, 55.24, 291.22°)
OKLab	oklab(42.63% -0.0151 -0.1484)
OKLCH	oklch(42.63% 0.149 264.2)
XYZ	xyz(9.2022, 7.3660, 33.7310)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23479F #9F7B23

analogous

#23859F #23479F #3D239F

triadic

#23479F #9F2347 #479F23

tetradic

#23479F #9F2385 #9F7B23 #239F3D

square

#23479F #9F2385 #9F7B23 #239F3D

split-complementary

#23479F #9F3D23 #859F23

monochromatic

#0D1A3B #18316D #23479F #2E5DD1 #6084DC

Accessibility & contrast

On white

8.49

#23479F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#23479F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23479F

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23479F	#FFFFFF	#000000	##FFFFFF
##23479F	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #23479f;
/* rgb */ color: rgb(35, 71, 159);
/* oklch */ color: oklch(42.6% 0.149 264.2);

Tailwind

colors: {
  custom: {
    50: '#7179bc',
    500: '#23479f',
    950: '#000000',
  },
}

SCSS

$custom: #23479f;
$custom-light: #7179bc;
$custom-dark: #000000;

JSON

{
  "hex": "#23479f",
  "rgb": {
    "r": 35,
    "g": 71,
    "b": 159
  },
  "hsl": {
    "h": 222.581,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.42634,
    "c": 0.14921,
    "h": 264.2
  },
  "luminance": 0.07367
}

Semantic roles & 50–950 ramp

primary

#23479F

secondary

#C1A45D

accent

#B741E7

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #23479F

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

Preview Lab → · Contrast checker → · Palette generator →