#1D2DA0#1D2DA0

#1D2DA0 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.5% C 0.183 H 268.5°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#1D2DA0
RGB	rgb(29, 45, 160)
HSL	hsl(233, 69%, 37%)
HSV	hsv(233, 82%, 63%)
CMYK	cmyk(81.9%, 71.9%, 0%, 37.3%)
CIE-LAB	lab(25.79, 37.05, -63.29)
CIE-LCH	lch(25.79, 73.34, 300.34°)
OKLab	oklab(37.54% -0.0048 -0.1834)
OKLCH	oklch(37.54% 0.183 268.5)
XYZ	xyz(7.7881, 4.6751, 33.7428)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2DA0 #A0901D

analogous

#1D6EA0 #1D2DA0 #4F1DA0

triadic

#1D2DA0 #A01D2D #2DA01D

tetradic

#1D2DA0 #A01D6E #A0901D #1DA04F

square

#1D2DA0 #A01D6E #A0901D #1DA04F

split-complementary

#1D2DA0 #A04F1D #6EA01D

monochromatic

#0A1038 #141E6C #1D2DA0 #263CD4 #5768E1

Accessibility & contrast

On white

10.85

#1D2DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1D2DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2DA0

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2DA0	#FFFFFF	#000000	##FFFFFF
##1D2DA0	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A3

Deuteranopia (green-blind)

#00379E

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d2da0;
/* rgb */ color: rgb(29, 45, 160);
/* oklch */ color: oklch(37.5% 0.183 268.5);

Tailwind

colors: {
  custom: {
    50: '#7266bd',
    500: '#1d2da0',
    950: '#000000',
  },
}

SCSS

$custom: #1d2da0;
$custom-light: #7266bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2da0",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 160
  },
  "hsl": {
    "h": 232.672,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37536,
    "c": 0.18345,
    "h": 268.5
  },
  "luminance": 0.04676
}

Semantic roles & 50–950 ramp

primary

#1D2DA0

secondary

#C4B655

accent

#D73CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1D2DA0

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

Preview Lab → · Contrast checker → · Palette generator →