#1D2F5F#1D2F5F

#1D2F5F is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.8% C 0.088 H 266.1°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F5F
RGB	rgb(29, 47, 95)
HSL	hsl(224, 53%, 24%)
HSV	hsv(224, 69%, 37%)
CMYK	cmyk(69.5%, 50.5%, 0%, 62.7%)
CIE-LAB	lab(20.52, 10.32, -30.85)
CIE-LCH	lch(20.52, 32.53, 288.50°)
OKLab	oklab(31.85% -0.0061 -0.0883)
OKLCH	oklch(31.85% 0.088 266.1)
XYZ	xyz(3.5881, 3.1201, 11.2374)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F5F #5F4D1D

analogous

#1D505F #1D2F5F #2C1D5F

triadic

#1D2F5F #5F1D2F #2F5F1D

tetradic

#1D2F5F #5F1D50 #5F4D1D #1D5F2C

square

#1D2F5F #5F1D50 #5F4D1D #1D5F2C

split-complementary

#1D2F5F #5F2C1D #505F1D

monochromatic

#070C17 #0F1830 #1D2F5F #2B468E #3A5DBD

Accessibility & contrast

On white

12.93

#1D2F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1D2F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F5F

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F5F	#FFFFFF	#000000	##FFFFFF
##1D2F5F	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173561

Deuteranopia (green-blind)

#0A2F5E

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d2f5f;
/* rgb */ color: rgb(29, 47, 95);
/* oklch */ color: oklch(31.8% 0.088 266.1);

Tailwind

colors: {
  custom: {
    50: '#61678d',
    500: '#1d2f5f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f5f;
$custom-light: #61678d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f5f",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 95
  },
  "hsl": {
    "h": 223.636,
    "s": 53.226,
    "l": 24.314
  },
  "oklch": {
    "l": 0.31845,
    "c": 0.08849,
    "h": 266.1
  },
  "luminance": 0.0312
}

Semantic roles & 50–950 ramp

primary

#1D2F5F

secondary

#947E44

accent

#B54BDD

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1D2F5F

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

Preview Lab → · Contrast checker → · Palette generator →