#1D176D#1D176D

#1D176D is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.141 H 275.7°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#1D176D
RGB	rgb(29, 23, 109)
HSL	hsl(244, 65%, 26%)
HSV	hsv(244, 79%, 43%)
CMYK	cmyk(73.4%, 78.9%, 0%, 57.3%)
CIE-LAB	lab(15.37, 32.27, -48.42)
CIE-LCH	lch(15.37, 58.19, 303.68°)
OKLab	oklab(28.44% 0.0141 -0.14)
OKLCH	oklch(28.44% 0.141 275.7)
XYZ	xyz(3.5725, 1.9778, 14.6585)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D176D #676D17

analogous

#173C6D #1D176D #48176D

triadic

#1D176D #6D1D17 #176D1D

tetradic

#1D176D #6D173C #676D17 #176D48

square

#1D176D #6D173C #676D17 #176D48

split-complementary

#1D176D #6D4817 #3C6D17

monochromatic

#070519 #100C3A #1D176D #2A22A0 #382CD2

Accessibility & contrast

On white

15.05

#1D176D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1D176D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D176D

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D176D	#FFFFFF	#000000	##FFFFFF
##1D176D	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6F

Deuteranopia (green-blind)

#00236B

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1d176d;
/* rgb */ color: rgb(29, 23, 109);
/* oklch */ color: oklch(28.4% 0.141 275.7);

Tailwind

colors: {
  custom: {
    50: '#675698',
    500: '#1d176d',
    950: '#000000',
  },
}

SCSS

$custom: #1d176d;
$custom-light: #675698;
$custom-dark: #000000;

JSON

{
  "hex": "#1d176d",
  "rgb": {
    "r": 29,
    "g": 23,
    "b": 109
  },
  "hsl": {
    "h": 244.186,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.2844,
    "c": 0.14067,
    "h": 275.7
  },
  "luminance": 0.01978
}

Semantic roles & 50–950 ramp

primary

#1D176D

secondary

#9CA33D

accent

#E840DC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D176D

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

Preview Lab → · Contrast checker → · Palette generator →