#1D2F5C#1D2F5C

#1D2F5C is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.6% C 0.084 H 265.5°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F5C
RGB	rgb(29, 47, 92)
HSL	hsl(223, 52%, 24%)
HSV	hsv(223, 68%, 36%)
CMYK	cmyk(68.5%, 48.9%, 0%, 63.9%)
CIE-LAB	lab(20.31, 9.12, -29.21)
CIE-LCH	lch(20.31, 30.60, 287.33°)
OKLab	oklab(31.62% -0.0066 -0.0834)
OKLCH	oklch(31.62% 0.084 265.5)
XYZ	xyz(3.4543, 3.0666, 10.5330)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F5C #5C4A1D

analogous

#1D4E5C #1D2F5C #2A1D5C

triadic

#1D2F5C #5C1D2F #2F5C1D

tetradic

#1D2F5C #5C1D4E #5C4A1D #1D5C2A

square

#1D2F5C #5C1D4E #5C4A1D #1D5C2A

split-complementary

#1D2F5C #5C2A1D #4E5C1D

monochromatic

#070C17 #0E172D #1D2F5C #2C478B #3A5FB9

Accessibility & contrast

On white

13.02

#1D2F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1D2F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F5C

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F5C	#FFFFFF	#000000	##FFFFFF
##1D2F5C	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19345E

Deuteranopia (green-blind)

#0E2E5B

Tritanopia (blue-blind)

#003941

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d2f5c;
/* rgb */ color: rgb(29, 47, 92);
/* oklch */ color: oklch(31.6% 0.084 265.5);

Tailwind

colors: {
  custom: {
    50: '#60678a',
    500: '#1d2f5c',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f5c;
$custom-light: #60678a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f5c",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 92
  },
  "hsl": {
    "h": 222.857,
    "s": 52.066,
    "l": 23.725
  },
  "oklch": {
    "l": 0.31617,
    "c": 0.08371,
    "h": 265.5
  },
  "luminance": 0.03067
}

Semantic roles & 50–950 ramp

primary

#1D2F5C

secondary

#917B44

accent

#B34CDC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1D2F5C

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

Preview Lab → · Contrast checker → · Palette generator →