#1D2F91#1D2F91

#1D2F91 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.3% C 0.162 H 268.4°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F91
RGB	rgb(29, 47, 145)
HSL	hsl(231, 67%, 34%)
HSV	hsv(231, 80%, 57%)
CMYK	cmyk(80%, 67.6%, 0%, 43.1%)
CIE-LAB	lab(24.76, 30.17, -55.80)
CIE-LCH	lch(24.76, 63.43, 298.40°)
OKLab	oklab(36.33% -0.0044 -0.1615)
OKLCH	oklch(36.33% 0.162 268.4)
XYZ	xyz(6.6323, 4.3378, 27.2703)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F91 #917F1D

analogous

#1D6991 #1D2F91 #451D91

triadic

#1D2F91 #911D2F #2F911D

tetradic

#1D2F91 #911D69 #917F1D #1D9145

square

#1D2F91 #911D69 #917F1D #1D9145

split-complementary

#1D2F91 #91451D #69911D

monochromatic

#090E2B #131E5E #1D2F91 #2740C4 #4D63DB

Accessibility & contrast

On white

11.24

#1D2F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1D2F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F91

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F91	#FFFFFF	#000000	##FFFFFF
##1D2F91	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004094

Deuteranopia (green-blind)

#00358F

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d2f91;
/* rgb */ color: rgb(29, 47, 145);
/* oklch */ color: oklch(36.3% 0.162 268.4);

Tailwind

colors: {
  custom: {
    50: '#6e67b2',
    500: '#1d2f91',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f91;
$custom-light: #6e67b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f91",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 145
  },
  "hsl": {
    "h": 230.69,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36334,
    "c": 0.16158,
    "h": 268.4
  },
  "luminance": 0.04339
}

Semantic roles & 50–950 ramp

primary

#1D2F91

secondary

#BEAC4C

accent

#CF3EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D2F91

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

Preview Lab → · Contrast checker → · Palette generator →