#1D2176#1D2176

#1D2176 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.142 H 272.6°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#1D2176
RGB	rgb(29, 33, 118)
HSL	hsl(237, 61%, 29%)
HSV	hsv(237, 75%, 46%)
CMYK	cmyk(75.4%, 72%, 0%, 53.7%)
CIE-LAB	lab(18.61, 29.24, -48.90)
CIE-LCH	lch(18.61, 56.98, 300.88°)
OKLab	oklab(31.05% 0.0064 -0.1414)
OKLCH	oklch(31.05% 0.142 272.6)
XYZ	xyz(4.3195, 2.6565, 17.4211)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2176 #76721D

analogous

#1D4E76 #1D2176 #461D76

triadic

#1D2176 #761D21 #21761D

tetradic

#1D2176 #761D4E #76721D #1D7646

square

#1D2176 #761D4E #76721D #1D7646

split-complementary

#1D2176 #76461D #4E761D

monochromatic

#060719 #111345 #1D2176 #292FA7 #3E44D0

Accessibility & contrast

On white

13.71

#1D2176 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1D2176 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2176

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2176	#FFFFFF	#000000	##FFFFFF
##1D2176	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003279

Deuteranopia (green-blind)

#002974

Tritanopia (blue-blind)

#003848

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d2176;
/* rgb */ color: rgb(29, 33, 118);
/* oklch */ color: oklch(31.0% 0.142 272.6);

Tailwind

colors: {
  custom: {
    50: '#685d9e',
    500: '#1d2176',
    950: '#000000',
  },
}

SCSS

$custom: #1d2176;
$custom-light: #685d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2176",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 118
  },
  "hsl": {
    "h": 237.303,
    "s": 60.544,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31048,
    "c": 0.14156,
    "h": 272.6
  },
  "luminance": 0.02657
}

Semantic roles & 50–950 ramp

primary

#1D2176

secondary

#AAA545

accent

#DD44E4

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1D2176

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

Preview Lab → · Contrast checker → · Palette generator →