#23479E#23479E

#23479E is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.6% C 0.148 H 264.1°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#23479E
RGB	rgb(35, 71, 158)
HSL	hsl(222, 64%, 38%)
HSV	hsv(222, 78%, 62%)
CMYK	cmyk(77.8%, 55.1%, 0%, 38%)
CIE-LAB	lab(32.55, 19.60, -51.01)
CIE-LCH	lch(32.55, 54.65, 291.02°)
OKLab	oklab(42.55% -0.0151 -0.147)
OKLCH	oklch(42.55% 0.148 264.1)
XYZ	xyz(9.1157, 7.3314, 33.2758)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23479E #9E7A23

analogous

#23849E #23479E #3C239E

triadic

#23479E #9E2347 #479E23

tetradic

#23479E #9E2384 #9E7A23 #239E3C

square

#23479E #9E2384 #9E7A23 #239E3C

split-complementary

#23479E #9E3C23 #849E23

monochromatic

#0D1A3A #18306C #23479E #2E5ED0 #6084DC

Accessibility & contrast

On white

8.51

#23479E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#23479E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23479E

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23479E	#FFFFFF	#000000	##FFFFFF
##23479E	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A1

Deuteranopia (green-blind)

#00479C

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #23479e;
/* rgb */ color: rgb(35, 71, 158);
/* oklch */ color: oklch(42.6% 0.148 264.1);

Tailwind

colors: {
  custom: {
    50: '#7179bb',
    500: '#23479e',
    950: '#000000',
  },
}

SCSS

$custom: #23479e;
$custom-light: #7179bb;
$custom-dark: #000000;

JSON

{
  "hex": "#23479e",
  "rgb": {
    "r": 35,
    "g": 71,
    "b": 158
  },
  "hsl": {
    "h": 222.439,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.42552,
    "c": 0.14782,
    "h": 264.1
  },
  "luminance": 0.07332
}

Semantic roles & 50–950 ramp

primary

#23479E

secondary

#C1A35C

accent

#B641E7

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #23479E

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

Preview Lab → · Contrast checker → · Palette generator →