#1D298F#1D298F

#1D298F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.166 H 269.6°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D298F
RGB	rgb(29, 41, 143)
HSL	hsl(234, 66%, 34%)
HSV	hsv(234, 80%, 56%)
CMYK	cmyk(79.7%, 71.3%, 0%, 43.9%)
CIE-LAB	lab(23.10, 33.34, -57.28)
CIE-LCH	lch(23.10, 66.28, 300.20°)
OKLab	oklab(35.07% -0.0011 -0.1659)
OKLCH	oklch(35.07% 0.166 269.6)
XYZ	xyz(6.2559, 3.8296, 26.3907)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D298F #8F831D

analogous

#1D628F #1D298F #4A1D8F

triadic

#1D298F #8F1D29 #298F1D

tetradic

#1D298F #8F1D62 #8F831D #1D8F4A

square

#1D298F #8F1D62 #8F831D #1D8F4A

split-complementary

#1D298F #8F4A1D #628F1D

monochromatic

#080C29 #131A5C #1D298F #2738C2 #4C5BDB

Accessibility & contrast

On white

11.89

#1D298F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1D298F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D298F

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D298F	#FFFFFF	#000000	##FFFFFF
##1D298F	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d298f;
/* rgb */ color: rgb(29, 41, 143);
/* oklch */ color: oklch(35.1% 0.166 269.6);

Tailwind

colors: {
  custom: {
    50: '#6e63b1',
    500: '#1d298f',
    950: '#000000',
  },
}

SCSS

$custom: #1d298f;
$custom-light: #6e63b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d298f",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 143
  },
  "hsl": {
    "h": 233.684,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35068,
    "c": 0.16588,
    "h": 269.6
  },
  "luminance": 0.0383
}

Semantic roles & 50–950 ramp

primary

#1D298F

secondary

#BDB14B

accent

#D73FE9

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1D298F

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

Preview Lab → · Contrast checker → · Palette generator →