#1D2F90#1D2F90

#1D2F90 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.2% C 0.160 H 268.4°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F90
RGB	rgb(29, 47, 144)
HSL	hsl(231, 66%, 34%)
HSV	hsv(231, 80%, 56%)
CMYK	cmyk(79.9%, 67.4%, 0%, 43.5%)
CIE-LAB	lab(24.66, 29.78, -55.34)
CIE-LCH	lch(24.66, 62.84, 298.29°)
OKLab	oklab(36.23% -0.0044 -0.1602)
OKLCH	oklch(36.23% 0.16 268.4)
XYZ	xyz(6.5555, 4.3071, 26.8660)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F90 #907E1D

analogous

#1D6990 #1D2F90 #451D90

triadic

#1D2F90 #901D2F #2F901D

tetradic

#1D2F90 #901D69 #907E1D #1D9045

square

#1D2F90 #901D69 #907E1D #1D9045

split-complementary

#1D2F90 #90451D #69901D

monochromatic

#080E2A #131E5D #1D2F90 #2740C3 #4C63DB

Accessibility & contrast

On white

11.28

#1D2F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1D2F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F90

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F90	#FFFFFF	#000000	##FFFFFF
##1D2F90	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004093

Deuteranopia (green-blind)

#00358E

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d2f90;
/* rgb */ color: rgb(29, 47, 144);
/* oklch */ color: oklch(36.2% 0.160 268.4);

Tailwind

colors: {
  custom: {
    50: '#6e67b1',
    500: '#1d2f90',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f90;
$custom-light: #6e67b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f90",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 144
  },
  "hsl": {
    "h": 230.609,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36234,
    "c": 0.16023,
    "h": 268.4
  },
  "luminance": 0.04308
}

Semantic roles & 50–950 ramp

primary

#1D2F90

secondary

#BDAC4B

accent

#CF3EE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D2F90

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

Preview Lab → · Contrast checker → · Palette generator →