#1D154C#1D154C

#1D154C is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.097 H 283.3°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D154C
RGB	rgb(29, 21, 76)
HSL	hsl(249, 57%, 19%)
HSV	hsv(249, 72%, 30%)
CMYK	cmyk(61.8%, 72.4%, 0%, 70.2%)
CIE-LAB	lab(11.41, 21.69, -32.79)
CIE-LCH	lch(11.41, 39.32, 303.48°)
OKLab	oklab(24.55% 0.0222 -0.0943)
OKLCH	oklch(24.55% 0.097 283.3)
XYZ	xyz(2.0790, 1.3192, 6.9812)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D154C #444C15

analogous

#15294C #1D154C #39154C

triadic

#1D154C #4C1D15 #154C1D

tetradic

#1D154C #4C1529 #444C15 #154C39

square

#1D154C #4C1529 #444C15 #154C39

split-complementary

#1D154C #4C3915 #294C15

monochromatic

#090718 #0B081C #1D154C #2F227C #422FAC

Accessibility & contrast

On white

16.62

#1D154C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#1D154C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D154C

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D154C	#FFFFFF	#000000	##FFFFFF
##1D154C	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204E

Deuteranopia (green-blind)

#001C4B

Tritanopia (blue-blind)

#06232E

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #1d154c;
/* rgb */ color: rgb(29, 21, 76);
/* oklch */ color: oklch(24.5% 0.097 283.3);

Tailwind

colors: {
  custom: {
    50: '#5f537f',
    500: '#1d154c',
    950: '#000000',
  },
}

SCSS

$custom: #1d154c;
$custom-light: #5f537f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d154c",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 76
  },
  "hsl": {
    "h": 248.727,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24549,
    "c": 0.09685,
    "h": 283.3
  },
  "luminance": 0.01319
}

Semantic roles & 50–950 ramp

primary

#1D154C

secondary

#798439

accent

#E048CA

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1D154C

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

Preview Lab → · Contrast checker → · Palette generator →