#23487D#23487D

#23487D is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.3% C 0.099 H 257.7°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#23487D
RGB	rgb(35, 72, 125)
HSL	hsl(215, 56%, 31%)
HSV	hsv(215, 72%, 49%)
CMYK	cmyk(72%, 42.4%, 0%, 51%)
CIE-LAB	lab(30.57, 5.91, -33.94)
CIE-LCH	lch(30.57, 34.45, 279.88°)
OKLab	oklab(40.31% -0.0212 -0.0968)
OKLCH	oklch(40.31% 0.099 257.7)
XYZ	xyz(6.7108, 6.4720, 20.2936)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23487D #7D5823

analogous

#23757D #23487D #2B237D

triadic

#23487D #7D2348 #487D23

tetradic

#23487D #7D2375 #7D5823 #237D2B

square

#23487D #7D2375 #7D5823 #237D2B

split-complementary

#23487D #7D2B23 #757D23

monochromatic

#08111D #162C4D #23487D #3064AD #4D82CD

Accessibility & contrast

On white

9.15

#23487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#23487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23487D

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23487D	#FFFFFF	#000000	##FFFFFF
##23487D	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4C7F

Deuteranopia (green-blind)

#21447C

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #23487d;
/* rgb */ color: rgb(35, 72, 125);
/* oklch */ color: oklch(40.3% 0.099 257.7);

Tailwind

colors: {
  custom: {
    50: '#6a7aa3',
    500: '#23487d',
    950: '#000000',
  },
}

SCSS

$custom: #23487d;
$custom-light: #6a7aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#23487d",
  "rgb": {
    "r": 35,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 215.333,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40311,
    "c": 0.09912,
    "h": 257.7
  },
  "luminance": 0.06473
}

Semantic roles & 50–950 ramp

primary

#23487D

secondary

#AF874C

accent

#A148E0

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #23487D

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

Preview Lab → · Contrast checker → · Palette generator →