#1D2A9E#1D2A9E

#1D2A9E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.8% C 0.184 H 269.0°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A9E
RGB	rgb(29, 42, 158)
HSL	hsl(234, 69%, 37%)
HSV	hsv(234, 82%, 62%)
CMYK	cmyk(81.6%, 73.4%, 0%, 38%)
CIE-LAB	lab(24.91, 38.18, -63.53)
CIE-LCH	lch(24.91, 74.12, 301.01°)
OKLab	oklab(36.84% -0.0033 -0.1841)
OKLCH	oklch(36.84% 0.184 269)
XYZ	xyz(7.5041, 4.3849, 32.7920)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A9E #9E911D

analogous

#1D6B9E #1D2A9E #501D9E

triadic

#1D2A9E #9E1D2A #2A9E1D

tetradic

#1D2A9E #9E1D6B #9E911D #1D9E50

square

#1D2A9E #9E1D6B #9E911D #1D9E50

split-complementary

#1D2A9E #9E501D #6B9E1D

monochromatic

#0A0F37 #141C6A #1D2A9E #2638D2 #5663E0

Accessibility & contrast

On white

11.19

#1D2A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1D2A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A9E

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A9E	#FFFFFF	#000000	##FFFFFF
##1D2A9E	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d2a9e;
/* rgb */ color: rgb(29, 42, 158);
/* oklch */ color: oklch(36.8% 0.184 269.0);

Tailwind

colors: {
  custom: {
    50: '#7264bc',
    500: '#1d2a9e',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a9e;
$custom-light: #7264bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a9e",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 158
  },
  "hsl": {
    "h": 233.953,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36838,
    "c": 0.18411,
    "h": 269
  },
  "luminance": 0.04386
}

Semantic roles & 50–950 ramp

primary

#1D2A9E

secondary

#C3B854

accent

#DA3CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #1D2A9E

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

Preview Lab → · Contrast checker → · Palette generator →