#1D2170#1D2170

#1D2170 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.4% C 0.133 H 273.1°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D2170
RGB	rgb(29, 33, 112)
HSL	hsl(237, 59%, 28%)
HSV	hsv(237, 74%, 44%)
CMYK	cmyk(74.1%, 70.5%, 0%, 56.1%)
CIE-LAB	lab(18.00, 26.98, -46.04)
CIE-LCH	lch(18.00, 53.36, 300.38°)
OKLab	oklab(30.42% 0.0071 -0.133)
OKLCH	oklch(30.42% 0.133 273.1)
XYZ	xyz(3.9742, 2.5184, 15.6027)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2170 #706C1D

analogous

#1D4B70 #1D2170 #421D70

triadic

#1D2170 #701D21 #21701D

tetradic

#1D2170 #701D4B #706C1D #1D7042

square

#1D2170 #701D4B #706C1D #1D7042

split-complementary

#1D2170 #70421D #4B701D

monochromatic

#060718 #10133F #1D2170 #2A2FA1 #3B42CC

Accessibility & contrast

On white

13.96

#1D2170 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1D2170 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2170

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2170	#FFFFFF	#000000	##FFFFFF
##1D2170	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003072

Deuteranopia (green-blind)

#00286F

Tritanopia (blue-blind)

#003645

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d2170;
/* rgb */ color: rgb(29, 33, 112);
/* oklch */ color: oklch(30.4% 0.133 273.1);

Tailwind

colors: {
  custom: {
    50: '#675c9a',
    500: '#1d2170',
    950: '#000000',
  },
}

SCSS

$custom: #1d2170;
$custom-light: #675c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2170",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 112
  },
  "hsl": {
    "h": 237.108,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30421,
    "c": 0.13324,
    "h": 273.1
  },
  "luminance": 0.02519
}

Semantic roles & 50–950 ramp

primary

#1D2170

secondary

#A4A044

accent

#DB46E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1D2170

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

Preview Lab → · Contrast checker → · Palette generator →