#1D299E#1D299E

#1D299E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.185 H 269.1°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#1D299E
RGB	rgb(29, 41, 158)
HSL	hsl(234, 69%, 37%)
HSV	hsv(234, 82%, 62%)
CMYK	cmyk(81.6%, 74.1%, 0%, 38%)
CIE-LAB	lab(24.69, 38.79, -63.90)
CIE-LCH	lch(24.69, 74.75, 301.26°)
OKLab	oklab(36.68% -0.003 -0.1851)
OKLCH	oklch(36.68% 0.185 269.1)
XYZ	xyz(7.4691, 4.3148, 32.7803)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D299E #9E921D

analogous

#1D6A9E #1D299E #521D9E

triadic

#1D299E #9E1D29 #299E1D

tetradic

#1D299E #9E1D6A #9E921D #1D9E52

square

#1D299E #9E1D6A #9E921D #1D9E52

split-complementary

#1D299E #9E521D #6A9E1D

monochromatic

#0A0E37 #141C6A #1D299E #2636D2 #5662E0

Accessibility & contrast

On white

11.27

#1D299E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1D299E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D299E

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D299E	#FFFFFF	#000000	##FFFFFF
##1D299E	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00349C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d299e;
/* rgb */ color: rgb(29, 41, 158);
/* oklch */ color: oklch(36.7% 0.185 269.1);

Tailwind

colors: {
  custom: {
    50: '#7264bc',
    500: '#1d299e',
    950: '#000000',
  },
}

SCSS

$custom: #1d299e;
$custom-light: #7264bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d299e",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 158
  },
  "hsl": {
    "h": 234.419,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36682,
    "c": 0.18515,
    "h": 269.1
  },
  "luminance": 0.04316
}

Semantic roles & 50–950 ramp

primary

#1D299E

secondary

#C3B954

accent

#DB3CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #1D299E

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

Preview Lab → · Contrast checker → · Palette generator →