#1D44A1#1D44A1

#1D44A1 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.157 H 263.7°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#1D44A1
RGB	rgb(29, 68, 161)
HSL	hsl(222, 69%, 37%)
HSV	hsv(222, 82%, 63%)
CMYK	cmyk(82%, 57.8%, 0%, 36.9%)
CIE-LAB	lab(31.73, 22.19, -54.16)
CIE-LCH	lch(31.73, 58.53, 292.28°)
OKLab	oklab(41.95% -0.0172 -0.1564)
OKLCH	oklch(41.95% 0.157 263.7)
XYZ	xyz(9.0045, 6.9676, 34.5816)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D44A1 #A17A1D

analogous

#1D86A1 #1D44A1 #381DA1

triadic

#1D44A1 #A11D44 #44A11D

tetradic

#1D44A1 #A11D86 #A17A1D #1DA138

square

#1D44A1 #A11D86 #A17A1D #1DA138

split-complementary

#1D44A1 #A1381D #86A11D

monochromatic

#0A1839 #142E6D #1D44A1 #265AD5 #5880E1

Accessibility & contrast

On white

8.77

#1D44A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1D44A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D44A1

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D44A1	#FFFFFF	#000000	##FFFFFF
##1D44A1	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A4

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d44a1;
/* rgb */ color: rgb(29, 68, 161);
/* oklch */ color: oklch(41.9% 0.157 263.7);

Tailwind

colors: {
  custom: {
    50: '#7077be',
    500: '#1d44a1',
    950: '#000000',
  },
}

SCSS

$custom: #1d44a1;
$custom-light: #7077be;
$custom-dark: #000000;

JSON

{
  "hex": "#1d44a1",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 161
  },
  "hsl": {
    "h": 222.273,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.41949,
    "c": 0.15739,
    "h": 263.7
  },
  "luminance": 0.06969
}

Semantic roles & 50–950 ramp

primary

#1D44A1

secondary

#C4A455

accent

#B83CEC

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D44A1

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

Preview Lab → · Contrast checker → · Palette generator →