#1D45A0#1D45A0

#1D45A0 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.1% C 0.155 H 263.3°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#1D45A0
RGB	rgb(29, 69, 160)
HSL	hsl(222, 69%, 37%)
HSV	hsv(222, 82%, 63%)
CMYK	cmyk(81.9%, 56.9%, 0%, 37.3%)
CIE-LAB	lab(31.93, 21.11, -53.23)
CIE-LCH	lch(31.93, 57.27, 291.63°)
OKLab	oklab(42.07% -0.0179 -0.1537)
OKLCH	oklch(42.07% 0.155 263.3)
XYZ	xyz(8.9777, 7.0544, 34.1394)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D45A0 #A0781D

analogous

#1D87A0 #1D45A0 #361DA0

triadic

#1D45A0 #A01D45 #45A01D

tetradic

#1D45A0 #A01D87 #A0781D #1DA036

square

#1D45A0 #A01D87 #A0781D #1DA036

split-complementary

#1D45A0 #A0361D #87A01D

monochromatic

#0A1838 #142F6C #1D45A0 #265BD4 #5781E1

Accessibility & contrast

On white

8.71

#1D45A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1D45A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D45A0

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D45A0	#FFFFFF	#000000	##FFFFFF
##1D45A0	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A3

Deuteranopia (green-blind)

#00459E

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d45a0;
/* rgb */ color: rgb(29, 69, 160);
/* oklch */ color: oklch(42.1% 0.155 263.3);

Tailwind

colors: {
  custom: {
    50: '#7078bd',
    500: '#1d45a0',
    950: '#000000',
  },
}

SCSS

$custom: #1d45a0;
$custom-light: #7078bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d45a0",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 160
  },
  "hsl": {
    "h": 221.679,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42073,
    "c": 0.15475,
    "h": 263.3
  },
  "luminance": 0.07056
}

Semantic roles & 50–950 ramp

primary

#1D45A0

secondary

#C4A255

accent

#B63CEC

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D45A0

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

Preview Lab → · Contrast checker → · Palette generator →