#23387D#23387D

#23387D is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.120 H 267.4°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#23387D
RGB	rgb(35, 56, 125)
HSL	hsl(226, 56%, 31%)
HSV	hsv(226, 72%, 49%)
CMYK	cmyk(72%, 55.2%, 0%, 51%)
CIE-LAB	lab(25.76, 16.93, -41.67)
CIE-LCH	lch(25.76, 44.98, 292.11°)
OKLab	oklab(36.62% -0.0054 -0.1198)
OKLCH	oklch(36.62% 0.12 267.4)
XYZ	xyz(5.8077, 4.6658, 19.9926)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23387D #7D6823

analogous

#23657D #23387D #3B237D

triadic

#23387D #7D2338 #387D23

tetradic

#23387D #7D2365 #7D6823 #237D3B

square

#23387D #7D2365 #7D6823 #237D3B

split-complementary

#23387D #7D3B23 #657D23

monochromatic

#080D1D #16234D #23387D #304DAD #4D6BCD

Accessibility & contrast

On white

10.86

#23387D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#23387D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23387D

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23387D	#FFFFFF	#000000	##FFFFFF
##23387D	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07417F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #23387d;
/* rgb */ color: rgb(35, 56, 125);
/* oklch */ color: oklch(36.6% 0.120 267.4);

Tailwind

colors: {
  custom: {
    50: '#6a6ea3',
    500: '#23387d',
    950: '#000000',
  },
}

SCSS

$custom: #23387d;
$custom-light: #6a6ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#23387d",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 125
  },
  "hsl": {
    "h": 226,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36623,
    "c": 0.11996,
    "h": 267.4
  },
  "luminance": 0.04666
}

Semantic roles & 50–950 ramp

primary

#23387D

secondary

#AF984C

accent

#BC48E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #23387D

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

Preview Lab → · Contrast checker → · Palette generator →