#1D3E76#1D3E76

#1D3E76 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.104 H 260.3°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D3E76
RGB	rgb(29, 62, 118)
HSL	hsl(218, 61%, 29%)
HSV	hsv(218, 75%, 46%)
CMYK	cmyk(75.4%, 47.5%, 0%, 53.7%)
CIE-LAB	lab(26.77, 9.00, -35.64)
CIE-LCH	lch(26.77, 36.76, 284.18°)
OKLab	oklab(37.16% -0.0175 -0.1021)
OKLCH	oklch(37.16% 0.104 260.3)
XYZ	xyz(5.4982, 5.0139, 17.8140)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3E76 #76551D

analogous

#1D6B76 #1D3E76 #291D76

triadic

#1D3E76 #761D3E #3E761D

tetradic

#1D3E76 #761D6B #76551D #1D7629

square

#1D3E76 #761D6B #76551D #1D7629

split-complementary

#1D3E76 #76291D #6B761D

monochromatic

#060D19 #112445 #1D3E76 #2958A7 #3E74D0

Accessibility & contrast

On white

10.49

#1D3E76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1D3E76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3E76

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3E76	#FFFFFF	#000000	##FFFFFF
##1D3E76	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214478

Deuteranopia (green-blind)

#0F3B75

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d3e76;
/* rgb */ color: rgb(29, 62, 118);
/* oklch */ color: oklch(37.2% 0.104 260.3);

Tailwind

colors: {
  custom: {
    50: '#66729e',
    500: '#1d3e76',
    950: '#000000',
  },
}

SCSS

$custom: #1d3e76;
$custom-light: #66729e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3e76",
  "rgb": {
    "r": 29,
    "g": 62,
    "b": 118
  },
  "hsl": {
    "h": 217.753,
    "s": 60.544,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37159,
    "c": 0.10358,
    "h": 260.3
  },
  "luminance": 0.05014
}

Semantic roles & 50–950 ramp

primary

#1D3E76

secondary

#AA8445

accent

#A944E4

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D3E76

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

Preview Lab → · Contrast checker → · Palette generator →