#23447B#23447B

#23447B is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.2% C 0.101 H 260.0°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#23447B
RGB	rgb(35, 68, 123)
HSL	hsl(218, 56%, 31%)
HSV	hsv(218, 72%, 48%)
CMYK	cmyk(71.5%, 44.7%, 0%, 51.8%)
CIE-LAB	lab(29.21, 7.83, -34.87)
CIE-LCH	lch(29.21, 35.74, 282.66°)
OKLab	oklab(39.22% -0.0175 -0.0996)
OKLCH	oklch(39.22% 0.101 260)
XYZ	xyz(6.3341, 5.9210, 19.5441)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23447B #7B5A23

analogous

#23707B #23447B #2E237B

triadic

#23447B #7B2344 #447B23

tetradic

#23447B #7B2370 #7B5A23 #237B2E

square

#23447B #7B2370 #7B5A23 #237B2E

split-complementary

#23447B #7B2E23 #707B23

monochromatic

#080F1C #152A4B #23447B #315EAB #4C7CCC

Accessibility & contrast

On white

9.61

#23447B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#23447B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23447B

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23447B	#FFFFFF	#000000	##FFFFFF
##23447B	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A497D

Deuteranopia (green-blind)

#1B417A

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #23447b;
/* rgb */ color: rgb(35, 68, 123);
/* oklch */ color: oklch(39.2% 0.101 260.0);

Tailwind

colors: {
  custom: {
    50: '#6977a1',
    500: '#23447b',
    950: '#000000',
  },
}

SCSS

$custom: #23447b;
$custom-light: #6977a1;
$custom-dark: #000000;

JSON

{
  "hex": "#23447b",
  "rgb": {
    "r": 35,
    "g": 68,
    "b": 123
  },
  "hsl": {
    "h": 217.5,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39217,
    "c": 0.10114,
    "h": 260
  },
  "luminance": 0.05922
}

Semantic roles & 50–950 ramp

primary

#23447B

secondary

#AE894C

accent

#A749DF

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #23447B

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

Preview Lab → · Contrast checker → · Palette generator →