#1D3297#1D3297

#1D3297 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.166 H 267.8°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#1D3297
RGB	rgb(29, 50, 151)
HSL	hsl(230, 68%, 35%)
HSV	hsv(230, 81%, 59%)
CMYK	cmyk(80.8%, 66.9%, 0%, 40.8%)
CIE-LAB	lab(26.09, 30.46, -57.31)
CIE-LCH	lch(26.09, 64.90, 297.99°)
OKLab	oklab(37.48% -0.0064 -0.1659)
OKLCH	oklch(37.48% 0.166 267.8)
XYZ	xyz(7.2313, 4.7759, 29.8129)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3297 #97821D

analogous

#1D6F97 #1D3297 #451D97

triadic

#1D3297 #971D32 #32971D

tetradic

#1D3297 #971D6F #97821D #1D9745

square

#1D3297 #971D6F #97821D #1D9745

split-complementary

#1D3297 #97451D #6F971D

monochromatic

#091030 #132164 #1D3297 #2743CA #5169DE

Accessibility & contrast

On white

10.74

#1D3297 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1D3297 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3297

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3297	#FFFFFF	#000000	##FFFFFF
##1D3297	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449A

Deuteranopia (green-blind)

#003895

Tritanopia (blue-blind)

#004D60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d3297;
/* rgb */ color: rgb(29, 50, 151);
/* oklch */ color: oklch(37.5% 0.166 267.8);

Tailwind

colors: {
  custom: {
    50: '#6f6ab7',
    500: '#1d3297',
    950: '#000000',
  },
}

SCSS

$custom: #1d3297;
$custom-light: #6f6ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3297",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 151
  },
  "hsl": {
    "h": 229.672,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37482,
    "c": 0.16603,
    "h": 267.8
  },
  "luminance": 0.04777
}

Semantic roles & 50–950 ramp

primary

#1D3297

secondary

#C0AD4F

accent

#CD3DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1D3297

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

Preview Lab → · Contrast checker → · Palette generator →