#1D298E#1D298E

#1D298E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.165 H 269.7°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D298E
RGB	rgb(29, 41, 142)
HSL	hsl(234, 66%, 34%)
HSV	hsv(234, 80%, 56%)
CMYK	cmyk(79.6%, 71.1%, 0%, 44.3%)
CIE-LAB	lab(23.00, 32.97, -56.83)
CIE-LCH	lch(23.00, 65.71, 300.12°)
OKLab	oklab(34.96% -0.001 -0.1646)
OKLCH	oklch(34.96% 0.165 269.7)
XYZ	xyz(6.1804, 3.7994, 25.9936)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D298E #8E821D

analogous

#1D618E #1D298E #491D8E

triadic

#1D298E #8E1D29 #298E1D

tetradic

#1D298E #8E1D61 #8E821D #1D8E49

square

#1D298E #8E1D61 #8E821D #1D8E49

split-complementary

#1D298E #8E491D #618E1D

monochromatic

#080C28 #131A5B #1D298E #2738C1 #4B5ADA

Accessibility & contrast

On white

11.93

#1D298E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1D298E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D298E

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D298E	#FFFFFF	#000000	##FFFFFF
##1D298E	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d298e;
/* rgb */ color: rgb(29, 41, 142);
/* oklch */ color: oklch(35.0% 0.165 269.7);

Tailwind

colors: {
  custom: {
    50: '#6e63b0',
    500: '#1d298e',
    950: '#000000',
  },
}

SCSS

$custom: #1d298e;
$custom-light: #6e63b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d298e",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 142
  },
  "hsl": {
    "h": 233.628,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34962,
    "c": 0.16457,
    "h": 269.7
  },
  "luminance": 0.038
}

Semantic roles & 50–950 ramp

primary

#1D298E

secondary

#BDB04A

accent

#D73FE9

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1D298E

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

Preview Lab → · Contrast checker → · Palette generator →