#1D2887#1D2887

#1D2887 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.1% C 0.156 H 270.1°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D2887
RGB	rgb(29, 40, 135)
HSL	hsl(234, 65%, 32%)
HSV	hsv(234, 79%, 53%)
CMYK	cmyk(78.5%, 70.4%, 0%, 47.1%)
CIE-LAB	lab(22.04, 31.01, -54.04)
CIE-LCH	lch(22.04, 62.30, 299.85°)
OKLab	oklab(34.06% 0.0003 -0.1564)
OKLCH	oklch(34.06% 0.156 270.1)
XYZ	xyz(5.6372, 3.5274, 23.3007)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2887 #877C1D

analogous

#1D5D87 #1D2887 #471D87

triadic

#1D2887 #871D28 #28871D

tetradic

#1D2887 #871D5D #877C1D #1D8747

square

#1D2887 #871D5D #877C1D #1D8747

split-complementary

#1D2887 #87471D #5D871D

monochromatic

#070A22 #121955 #1D2887 #2837B9 #4756D7

Accessibility & contrast

On white

12.31

#1D2887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1D2887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2887

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2887	#FFFFFF	#000000	##FFFFFF
##1D2887	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8A

Deuteranopia (green-blind)

#003085

Tritanopia (blue-blind)

#004254

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2887;
/* rgb */ color: rgb(29, 40, 135);
/* oklch */ color: oklch(34.1% 0.156 270.1);

Tailwind

colors: {
  custom: {
    50: '#6c62ab',
    500: '#1d2887',
    950: '#000000',
  },
}

SCSS

$custom: #1d2887;
$custom-light: #6c62ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2887",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 135
  },
  "hsl": {
    "h": 233.774,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34056,
    "c": 0.15641,
    "h": 270.1
  },
  "luminance": 0.03528
}

Semantic roles & 50–950 ramp

primary

#1D2887

secondary

#B9AD46

accent

#D640E8

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2887

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

Preview Lab → · Contrast checker → · Palette generator →