#1D235E#1D235E

#1D235E is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.1% C 0.104 H 273.6°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D235E
RGB	rgb(29, 35, 94)
HSL	hsl(234, 53%, 24%)
HSV	hsv(234, 69%, 37%)
CMYK	cmyk(69.1%, 62.8%, 0%, 63.1%)
CIE-LAB	lab(16.85, 18.62, -36.12)
CIE-LCH	lch(16.85, 40.63, 297.28°)
OKLab	oklab(29.05% 0.0065 -0.1039)
OKLCH	oklch(29.05% 0.104 273.6)
XYZ	xyz(3.1274, 2.2712, 10.8611)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D235E #5E581D

analogous

#1D445E #1D235E #381D5E

triadic

#1D235E #5E1D23 #235E1D

tetradic

#1D235E #5E1D44 #5E581D #1D5E38

square

#1D235E #5E1D44 #5E581D #1D5E38

split-complementary

#1D235E #5E381D #445E1D

monochromatic

#070917 #0F122F #1D235E #2B348D #3A46BC

Accessibility & contrast

On white

14.44

#1D235E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1D235E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D235E

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D235E	#FFFFFF	#000000	##FFFFFF
##1D235E	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D60

Deuteranopia (green-blind)

#00275D

Tritanopia (blue-blind)

#00313C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1d235e;
/* rgb */ color: rgb(29, 35, 94);
/* oklch */ color: oklch(29.1% 0.104 273.6);

Tailwind

colors: {
  custom: {
    50: '#625d8c',
    500: '#1d235e',
    950: '#000000',
  },
}

SCSS

$custom: #1d235e;
$custom-light: #625d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d235e",
  "rgb": {
    "r": 29,
    "g": 35,
    "b": 94
  },
  "hsl": {
    "h": 234.462,
    "s": 52.846,
    "l": 24.118
  },
  "oklch": {
    "l": 0.29055,
    "c": 0.10414,
    "h": 273.6
  },
  "luminance": 0.02271
}

Semantic roles & 50–950 ramp

primary

#1D235E

secondary

#938C44

accent

#CF4CDC

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #1D235E

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

Preview Lab → · Contrast checker → · Palette generator →