#1D3EA0#1D3EA0

#1D3EA0 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.164 H 265.3°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#1D3EA0
RGB	rgb(29, 62, 160)
HSL	hsl(225, 69%, 37%)
HSV	hsv(225, 82%, 63%)
CMYK	cmyk(81.9%, 61.2%, 0%, 37.3%)
CIE-LAB	lab(30.02, 25.87, -56.35)
CIE-LCH	lch(30.02, 62.00, 294.66°)
OKLab	oklab(40.64% -0.0134 -0.163)
OKLCH	oklch(40.64% 0.164 265.3)
XYZ	xyz(8.5722, 6.2435, 34.0042)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3EA0 #A07F1D

analogous

#1D80A0 #1D3EA0 #3D1DA0

triadic

#1D3EA0 #A01D3E #3EA01D

tetradic

#1D3EA0 #A01D80 #A07F1D #1DA03D

square

#1D3EA0 #A01D80 #A07F1D #1DA03D

split-complementary

#1D3EA0 #A03D1D #80A01D

monochromatic

#0A1638 #142A6C #1D3EA0 #2652D4 #577AE1

Accessibility & contrast

On white

9.34

#1D3EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1D3EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3EA0

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3EA0	#FFFFFF	#000000	##FFFFFF
##1D3EA0	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00419E

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d3ea0;
/* rgb */ color: rgb(29, 62, 160);
/* oklch */ color: oklch(40.6% 0.164 265.3);

Tailwind

colors: {
  custom: {
    50: '#7172bd',
    500: '#1d3ea0',
    950: '#000000',
  },
}

SCSS

$custom: #1d3ea0;
$custom-light: #7172bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3ea0",
  "rgb": {
    "r": 29,
    "g": 62,
    "b": 160
  },
  "hsl": {
    "h": 224.885,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40639,
    "c": 0.16353,
    "h": 265.3
  },
  "luminance": 0.06245
}

Semantic roles & 50–950 ramp

primary

#1D3EA0

secondary

#C4A855

accent

#C03CEC

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D3EA0

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

Preview Lab → · Contrast checker → · Palette generator →