#24387B#24387B

#24387B is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.5% C 0.117 H 267.7°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#24387B
RGB	rgb(36, 56, 123)
HSL	hsl(226, 55%, 31%)
HSV	hsv(226, 71%, 48%)
CMYK	cmyk(70.7%, 54.5%, 0%, 51.8%)
CIE-LAB	lab(25.66, 16.31, -40.57)
CIE-LCH	lch(25.66, 43.73, 291.90°)
OKLab	oklab(36.52% -0.0046 -0.1166)
OKLCH	oklch(36.52% 0.117 267.7)
XYZ	xyz(5.7156, 4.6329, 19.3281)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24387B #7B6724

analogous

#24637B #24387B #3B247B

triadic

#24387B #7B2438 #387B24

tetradic

#24387B #7B2463 #7B6724 #247B3B

square

#24387B #7B2463 #7B6724 #247B3B

split-complementary

#24387B #7B3B24 #637B24

monochromatic

#080D1C #16224C #24387B #324EAA #4E6BCB

Accessibility & contrast

On white

10.90

#24387B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#24387B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24387B

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24387B	#FFFFFF	#000000	##FFFFFF
##24387B	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C417D

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #24387b;
/* rgb */ color: rgb(36, 56, 123);
/* oklch */ color: oklch(36.5% 0.117 267.7);

Tailwind

colors: {
  custom: {
    50: '#6a6ea2',
    500: '#24387b',
    950: '#000000',
  },
}

SCSS

$custom: #24387b;
$custom-light: #6a6ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#24387b",
  "rgb": {
    "r": 36,
    "g": 56,
    "b": 123
  },
  "hsl": {
    "h": 226.207,
    "s": 54.717,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36515,
    "c": 0.11666,
    "h": 267.7
  },
  "luminance": 0.04633
}

Semantic roles & 50–950 ramp

primary

#24387B

secondary

#AD974D

accent

#BC4ADE

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #24387B

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

Preview Lab → · Contrast checker → · Palette generator →