#1D45A1#1D45A1

#1D45A1 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.2% C 0.156 H 263.4°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D45A1
RGB	rgb(29, 69, 161)
HSL	hsl(222, 69%, 37%)
HSV	hsv(222, 82%, 63%)
CMYK	cmyk(82%, 57.1%, 0%, 36.9%)
CIE-LAB	lab(32.01, 21.51, -53.71)
CIE-LCH	lch(32.01, 57.85, 291.83°)
OKLab	oklab(42.16% -0.0179 -0.1551)
OKLCH	oklch(42.16% 0.156 263.4)
XYZ	xyz(9.0655, 7.0896, 34.6019)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D45A1 #A1791D

analogous

#1D87A1 #1D45A1 #371DA1

triadic

#1D45A1 #A11D45 #45A11D

tetradic

#1D45A1 #A11D87 #A1791D #1DA137

square

#1D45A1 #A11D87 #A1791D #1DA137

split-complementary

#1D45A1 #A1371D #87A11D

monochromatic

#0A1939 #142F6D #1D45A1 #265BD5 #5881E1

Accessibility & contrast

On white

8.68

#1D45A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1D45A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D45A1

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D45A1	#FFFFFF	#000000	##FFFFFF
##1D45A1	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A4

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d45a1;
/* rgb */ color: rgb(29, 69, 161);
/* oklch */ color: oklch(42.2% 0.156 263.4);

Tailwind

colors: {
  custom: {
    50: '#7078be',
    500: '#1d45a1',
    950: '#000000',
  },
}

SCSS

$custom: #1d45a1;
$custom-light: #7078be;
$custom-dark: #000000;

JSON

{
  "hex": "#1d45a1",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 161
  },
  "hsl": {
    "h": 221.818,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42158,
    "c": 0.15612,
    "h": 263.4
  },
  "luminance": 0.07091
}

Semantic roles & 50–950 ramp

primary

#1D45A1

secondary

#C4A355

accent

#B73CEC

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D45A1

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

Preview Lab → · Contrast checker → · Palette generator →