#1D1F7D#1D1F7D

#1D1F7D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.153 H 272.4°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D1F7D
RGB	rgb(29, 31, 125)
HSL	hsl(239, 62%, 30%)
HSV	hsv(239, 77%, 49%)
CMYK	cmyk(76.8%, 75.2%, 0%, 51%)
CIE-LAB	lab(18.89, 33.09, -52.91)
CIE-LCH	lch(18.89, 62.41, 302.02°)
OKLab	oklab(31.47% 0.0065 -0.1531)
OKLCH	oklch(31.47% 0.153 272.4)
XYZ	xyz(4.6971, 2.7214, 19.6758)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1F7D #7D7B1D

analogous

#1D4F7D #1D1F7D #4B1D7D

triadic

#1D1F7D #7D1D1F #1F7D1D

tetradic

#1D1F7D #7D1D4F #7D7B1D #1D7D4B

square

#1D1F7D #7D1D4F #7D7B1D #1D7D4B

split-complementary

#1D1F7D #7D4B1D #4F7D1D

monochromatic

#06061A #11134B #1D1F7D #292BAF #4144D3

Accessibility & contrast

On white

13.60

#1D1F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D1F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1F7D

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1F7D	#FFFFFF	#000000	##FFFFFF
##1D1F7D	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003380

Deuteranopia (green-blind)

#00297B

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d1f7d;
/* rgb */ color: rgb(29, 31, 125);
/* oklch */ color: oklch(31.5% 0.153 272.4);

Tailwind

colors: {
  custom: {
    50: '#6a5ba4',
    500: '#1d1f7d',
    950: '#000000',
  },
}

SCSS

$custom: #1d1f7d;
$custom-light: #6a5ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1f7d",
  "rgb": {
    "r": 29,
    "g": 31,
    "b": 125
  },
  "hsl": {
    "h": 238.75,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31472,
    "c": 0.15326,
    "h": 272.4
  },
  "luminance": 0.02722
}

Semantic roles & 50–950 ramp

primary

#1D1F7D

secondary

#B1AE45

accent

#E242E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1D1F7D

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

Preview Lab → · Contrast checker → · Palette generator →