#18153E#18153E

#18153E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.076 H 281.8°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#18153E
RGB	rgb(24, 21, 62)
HSL	hsl(244, 49%, 16%)
HSV	hsv(244, 66%, 24%)
CMYK	cmyk(61.3%, 66.1%, 0%, 75.7%)
CIE-LAB	lab(9.63, 15.35, -25.90)
CIE-LCH	lch(9.63, 30.10, 300.65°)
OKLab	oklab(22.72% 0.0155 -0.0742)
OKLCH	oklch(22.72% 0.076 281.8)
XYZ	xyz(1.5141, 1.0782, 4.6848)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18153E #3B3E15

analogous

#15273E #18153E #2D153E

triadic

#18153E #3E1815 #153E18

tetradic

#18153E #3E1527 #3B3E15 #153E2D

square

#18153E #3E1527 #3B3E15 #153E2D

split-complementary

#18153E #3E2D15 #273E15

monochromatic

#090817 #090817 #18153E #2A246C #3B3499

Accessibility & contrast

On white

17.28

#18153E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#18153E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18153E

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18153E	#FFFFFF	#000000	##FFFFFF
##18153E	1.00	17.28	1.22	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C3F

Deuteranopia (green-blind)

#00193D

Tritanopia (blue-blind)

#081F27

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #18153e;
/* rgb */ color: rgb(24, 21, 62);
/* oklch */ color: oklch(22.7% 0.076 281.8);

Tailwind

colors: {
  custom: {
    50: '#595274',
    500: '#18153e',
    950: '#000000',
  },
}

SCSS

$custom: #18153e;
$custom-light: #595274;
$custom-dark: #000000;

JSON

{
  "hex": "#18153e",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 62
  },
  "hsl": {
    "h": 244.39,
    "s": 49.398,
    "l": 16.275
  },
  "oklch": {
    "l": 0.22719,
    "c": 0.07578,
    "h": 281.8
  },
  "luminance": 0.01078
}

Semantic roles & 50–950 ramp

primary

#18153E

secondary

#717639

accent

#D94FCF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #18153E

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

Preview Lab → · Contrast checker → · Palette generator →