#1D3077#1D3077

#1D3077 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.1% C 0.124 H 267.8°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D3077
RGB	rgb(29, 48, 119)
HSL	hsl(227, 61%, 29%)
HSV	hsv(227, 76%, 47%)
CMYK	cmyk(75.6%, 59.7%, 0%, 53.3%)
CIE-LAB	lab(22.68, 19.28, -42.89)
CIE-LCH	lch(22.68, 47.03, 294.21°)
OKLab	oklab(34.07% -0.0047 -0.1237)
OKLCH	oklch(34.07% 0.124 267.8)
XYZ	xyz(4.8923, 3.7065, 17.9068)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3077 #77641D

analogous

#1D5D77 #1D3077 #371D77

triadic

#1D3077 #771D30 #30771D

tetradic

#1D3077 #771D5D #77641D #1D7737

square

#1D3077 #771D5D #77641D #1D7737

split-complementary

#1D3077 #77371D #5D771D

monochromatic

#060A19 #111C46 #1D3077 #2944A8 #3E5DD0

Accessibility & contrast

On white

12.06

#1D3077 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1D3077 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3077

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3077	#FFFFFF	#000000	##FFFFFF
##1D3077	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A79

Deuteranopia (green-blind)

#003276

Tritanopia (blue-blind)

#00424E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d3077;
/* rgb */ color: rgb(29, 48, 119);
/* oklch */ color: oklch(34.1% 0.124 267.8);

Tailwind

colors: {
  custom: {
    50: '#67679f',
    500: '#1d3077',
    950: '#000000',
  },
}

SCSS

$custom: #1d3077;
$custom-light: #67679f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3077",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 119
  },
  "hsl": {
    "h": 227.333,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34068,
    "c": 0.12377,
    "h": 267.8
  },
  "luminance": 0.03707
}

Semantic roles & 50–950 ramp

primary

#1D3077

secondary

#AB9545

accent

#C244E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #1D3077

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

Preview Lab → · Contrast checker → · Palette generator →