#1D247E#1D247E

#1D247E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.4% C 0.149 H 271.4°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#1D247E
RGB	rgb(29, 36, 126)
HSL	hsl(236, 63%, 30%)
HSV	hsv(236, 77%, 49%)
CMYK	cmyk(77%, 71.4%, 0%, 50.6%)
CIE-LAB	lab(20.16, 30.26, -51.46)
CIE-LCH	lch(20.16, 59.70, 300.46°)
OKLab	oklab(32.42% 0.0035 -0.1489)
OKLCH	oklch(32.42% 0.149 271.4)
XYZ	xyz(4.9022, 3.0288, 20.0609)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D247E #7E771D

analogous

#1D547E #1D247E #461D7E

triadic

#1D247E #7E1D24 #247E1D

tetradic

#1D247E #7E1D54 #7E771D #1D7E46

square

#1D247E #7E1D54 #7E771D #1D7E46

split-complementary

#1D247E #7E461D #547E1D

monochromatic

#06081B #12164C #1D247E #2832B0 #424CD3

Accessibility & contrast

On white

13.08

#1D247E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1D247E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D247E

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D247E	#FFFFFF	#000000	##FFFFFF
##1D247E	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003581

Deuteranopia (green-blind)

#002C7C

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d247e;
/* rgb */ color: rgb(29, 36, 126);
/* oklch */ color: oklch(32.4% 0.149 271.4);

Tailwind

colors: {
  custom: {
    50: '#6a5fa4',
    500: '#1d247e',
    950: '#000000',
  },
}

SCSS

$custom: #1d247e;
$custom-light: #6a5fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d247e",
  "rgb": {
    "r": 29,
    "g": 36,
    "b": 126
  },
  "hsl": {
    "h": 235.67,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32415,
    "c": 0.14894,
    "h": 271.4
  },
  "luminance": 0.03029
}

Semantic roles & 50–950 ramp

primary

#1D247E

secondary

#B1AA45

accent

#DA42E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1D247E

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

Preview Lab → · Contrast checker → · Palette generator →