#1D2E5B#1D2E5B

#1D2E5B is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.3% C 0.084 H 266.1°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E5B
RGB	rgb(29, 46, 91)
HSL	hsl(224, 52%, 24%)
HSV	hsv(224, 68%, 36%)
CMYK	cmyk(68.1%, 49.5%, 0%, 64.3%)
CIE-LAB	lab(19.92, 9.44, -29.16)
CIE-LCH	lch(19.92, 30.65, 287.93°)
OKLab	oklab(31.3% -0.0056 -0.0833)
OKLCH	oklch(31.3% 0.084 266.1)
XYZ	xyz(3.3714, 2.9702, 10.2911)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E5B #5B4A1D

analogous

#1D4D5B #1D2E5B #2B1D5B

triadic

#1D2E5B #5B1D2E #2E5B1D

tetradic

#1D2E5B #5B1D4D #5B4A1D #1D5B2B

square

#1D2E5B #5B1D4D #5B4A1D #1D5B2B

split-complementary

#1D2E5B #5B2B1D #4D5B1D

monochromatic

#070C17 #0E172D #1D2E5B #2C4589 #3B5DB8

Accessibility & contrast

On white

13.17

#1D2E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D2E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E5B

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E5B	#FFFFFF	#000000	##FFFFFF
##1D2E5B	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18335D

Deuteranopia (green-blind)

#0D2D5A

Tritanopia (blue-blind)

#003840

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2e5b;
/* rgb */ color: rgb(29, 46, 91);
/* oklch */ color: oklch(31.3% 0.084 266.1);

Tailwind

colors: {
  custom: {
    50: '#60668a',
    500: '#1d2e5b',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e5b;
$custom-light: #60668a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e5b",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 91
  },
  "hsl": {
    "h": 223.548,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.313,
    "c": 0.08352,
    "h": 266.1
  },
  "luminance": 0.02971
}

Semantic roles & 50–950 ramp

primary

#1D2E5B

secondary

#907B44

accent

#B44DDB

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050B

muted

#797A7C

Preview Lab

Preview with #1D2E5B

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

Preview Lab → · Contrast checker → · Palette generator →