#15243D#15243D

#15243D is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.1% C 0.052 H 260.1°. Best body text is #FFFFFF at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#15243D
RGB	rgb(21, 36, 61)
HSL	hsl(218, 49%, 16%)
HSV	hsv(218, 66%, 24%)
CMYK	cmyk(65.6%, 41%, 0%, 76.1%)
CIE-LAB	lab(14.16, 2.82, -17.95)
CIE-LCH	lch(14.16, 18.17, 278.93°)
OKLab	oklab(26.08% -0.0088 -0.0508)
OKLCH	oklch(26.08% 0.052 260.1)
XYZ	xyz(1.7821, 1.7580, 4.6594)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15243D #3D2E15

analogous

#15383D #15243D #1A153D

triadic

#15243D #3D1524 #243D15

tetradic

#15243D #3D1538 #3D2E15 #153D1A

square

#15243D #3D1538 #3D2E15 #153D1A

split-complementary

#15243D #3D1A15 #383D15

monochromatic

#080D17 #080D17 #15243D #253F6B #345A98

Accessibility & contrast

On white

15.54

#15243D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#15243D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15243D

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15243D	#FFFFFF	#000000	##FFFFFF
##15243D	1.00	15.54	1.35	15.54
#FFFFFF	15.54	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A263E

Deuteranopia (green-blind)

#15223C

Tritanopia (blue-blind)

#002A2D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #15243d;
/* rgb */ color: rgb(21, 36, 61);
/* oklch */ color: oklch(26.1% 0.052 260.1);

Tailwind

colors: {
  custom: {
    50: '#565e72',
    500: '#15243d',
    950: '#000000',
  },
}

SCSS

$custom: #15243d;
$custom-light: #565e72;
$custom-dark: #000000;

JSON

{
  "hex": "#15243d",
  "rgb": {
    "r": 21,
    "g": 36,
    "b": 61
  },
  "hsl": {
    "h": 217.5,
    "s": 48.78,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26083,
    "c": 0.05154,
    "h": 260.1
  },
  "luminance": 0.01758
}

Semantic roles & 50–950 ramp

primary

#15243D

secondary

#755E39

accent

#A54FD8

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #15243D

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

Preview Lab → · Contrast checker → · Palette generator →