#1D2154#1D2154

#1D2154 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.7% C 0.091 H 275.3°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#1D2154
RGB	rgb(29, 33, 84)
HSL	hsl(236, 49%, 22%)
HSV	hsv(236, 65%, 33%)
CMYK	cmyk(65.5%, 60.7%, 0%, 67.1%)
CIE-LAB	lab(15.43, 16.15, -31.72)
CIE-LCH	lch(15.43, 35.60, 296.98°)
OKLab	oklab(27.73% 0.0085 -0.0911)
OKLCH	oklch(27.73% 0.091 275.3)
XYZ	xyz(2.6503, 1.9888, 8.6300)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2154 #54501D

analogous

#1D3D54 #1D2154 #341D54

triadic

#1D2154 #541D21 #21541D

tetradic

#1D2154 #541D3D #54501D #1D5434

square

#1D2154 #541D3D #54501D #1D5434

split-complementary

#1D2154 #54341D #3D541D

monochromatic

#080917 #0D0F27 #1D2154 #2D3381 #3C45AF

Accessibility & contrast

On white

15.02

#1D2154 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1D2154 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2154

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2154	#FFFFFF	#000000	##FFFFFF
##1D2154	1.00	15.02	1.40	15.02
#FFFFFF	15.02	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002956

Deuteranopia (green-blind)

#002453

Tritanopia (blue-blind)

#002D36

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1d2154;
/* rgb */ color: rgb(29, 33, 84);
/* oklch */ color: oklch(27.7% 0.091 275.3);

Tailwind

colors: {
  custom: {
    50: '#605c85',
    500: '#1d2154',
    950: '#000000',
  },
}

SCSS

$custom: #1d2154;
$custom-light: #605c85;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2154",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 84
  },
  "hsl": {
    "h": 235.636,
    "s": 48.673,
    "l": 22.157
  },
  "oklch": {
    "l": 0.2773,
    "c": 0.09144,
    "h": 275.3
  },
  "luminance": 0.01989
}

Semantic roles & 50–950 ramp

primary

#1D2154

secondary

#898444

accent

#CE50D8

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05040B

muted

#79797C

Preview Lab

Preview with #1D2154

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

Preview Lab → · Contrast checker → · Palette generator →