#1D2270#1D2270

#1D2270 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.132 H 272.8°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#1D2270
RGB	rgb(29, 34, 112)
HSL	hsl(236, 59%, 28%)
HSV	hsv(236, 74%, 44%)
CMYK	cmyk(74.1%, 69.6%, 0%, 56.1%)
CIE-LAB	lab(18.25, 26.31, -45.62)
CIE-LCH	lch(18.25, 52.67, 299.97°)
OKLab	oklab(30.6% 0.0064 -0.1318)
OKLCH	oklch(30.6% 0.132 272.8)
XYZ	xyz(4.0024, 2.5747, 15.6121)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2270 #706B1D

analogous

#1D4B70 #1D2270 #421D70

triadic

#1D2270 #701D22 #22701D

tetradic

#1D2270 #701D4B #706B1D #1D7042

square

#1D2270 #701D4B #706B1D #1D7042

split-complementary

#1D2270 #70421D #4B701D

monochromatic

#060718 #10133F #1D2270 #2A31A1 #3B44CC

Accessibility & contrast

On white

13.86

#1D2270 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1D2270 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2270

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2270	#FFFFFF	#000000	##FFFFFF
##1D2270	1.00	13.86	1.52	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003072

Deuteranopia (green-blind)

#00296F

Tritanopia (blue-blind)

#003745

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d2270;
/* rgb */ color: rgb(29, 34, 112);
/* oklch */ color: oklch(30.6% 0.132 272.8);

Tailwind

colors: {
  custom: {
    50: '#665d9a',
    500: '#1d2270',
    950: '#000000',
  },
}

SCSS

$custom: #1d2270;
$custom-light: #665d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2270",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 112
  },
  "hsl": {
    "h": 236.386,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30604,
    "c": 0.13199,
    "h": 272.8
  },
  "luminance": 0.02575
}

Semantic roles & 50–950 ramp

primary

#1D2270

secondary

#A49F44

accent

#D946E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1D2270

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

Preview Lab → · Contrast checker → · Palette generator →