#1D2E71#1D2E71

#1D2E71 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.1% C 0.118 H 268.4°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E71
RGB	rgb(29, 46, 113)
HSL	hsl(228, 59%, 28%)
HSV	hsv(228, 74%, 44%)
CMYK	cmyk(74.3%, 59.3%, 0%, 55.7%)
CIE-LAB	lab(21.61, 18.30, -40.80)
CIE-LCH	lch(21.61, 44.71, 294.16°)
OKLab	oklab(33.11% -0.0032 -0.1175)
OKLCH	oklch(33.11% 0.118 268.4)
XYZ	xyz(4.4633, 3.4070, 16.0420)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E71 #71601D

analogous

#1D5871 #1D2E71 #361D71

triadic

#1D2E71 #711D2E #2E711D

tetradic

#1D2E71 #711D58 #71601D #1D7136

square

#1D2E71 #711D58 #71601D #1D7136

split-complementary

#1D2E71 #71361D #58711D

monochromatic

#060A18 #111A40 #1D2E71 #2942A2 #3C59CD

Accessibility & contrast

On white

12.49

#1D2E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D2E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E71

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E71	#FFFFFF	#000000	##FFFFFF
##1D2E71	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003873

Deuteranopia (green-blind)

#003070

Tritanopia (blue-blind)

#003E4A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2e71;
/* rgb */ color: rgb(29, 46, 113);
/* oklch */ color: oklch(33.1% 0.118 268.4);

Tailwind

colors: {
  custom: {
    50: '#66669a',
    500: '#1d2e71',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e71;
$custom-light: #66669a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e71",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 113
  },
  "hsl": {
    "h": 227.857,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.33108,
    "c": 0.11759,
    "h": 268.4
  },
  "luminance": 0.03407
}

Semantic roles & 50–950 ramp

primary

#1D2E71

secondary

#A59244

accent

#C345E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1D2E71

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

Preview Lab → · Contrast checker → · Palette generator →