#1D2576#1D2576

#1D2576 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.137 H 271.6°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#1D2576
RGB	rgb(29, 37, 118)
HSL	hsl(235, 61%, 29%)
HSV	hsv(235, 75%, 46%)
CMYK	cmyk(75.4%, 68.6%, 0%, 53.7%)
CIE-LAB	lab(19.61, 26.56, -47.27)
CIE-LCH	lch(19.61, 54.22, 299.33°)
OKLab	oklab(31.77% 0.0037 -0.1366)
OKLCH	oklch(31.77% 0.137 271.6)
XYZ	xyz(4.4372, 2.8919, 17.4604)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2576 #766E1D

analogous

#1D5276 #1D2576 #421D76

triadic

#1D2576 #761D25 #25761D

tetradic

#1D2576 #761D52 #766E1D #1D7642

square

#1D2576 #761D52 #766E1D #1D7642

split-complementary

#1D2576 #76421D #52761D

monochromatic

#060819 #111645 #1D2576 #2934A7 #3E4BD0

Accessibility & contrast

On white

13.30

#1D2576 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D2576 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2576

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2576	#FFFFFF	#000000	##FFFFFF
##1D2576	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003479

Deuteranopia (green-blind)

#002B74

Tritanopia (blue-blind)

#003A4A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d2576;
/* rgb */ color: rgb(29, 37, 118);
/* oklch */ color: oklch(31.8% 0.137 271.6);

Tailwind

colors: {
  custom: {
    50: '#685f9e',
    500: '#1d2576',
    950: '#000000',
  },
}

SCSS

$custom: #1d2576;
$custom-light: #685f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2576",
  "rgb": {
    "r": 29,
    "g": 37,
    "b": 118
  },
  "hsl": {
    "h": 234.607,
    "s": 60.544,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31769,
    "c": 0.13669,
    "h": 271.6
  },
  "luminance": 0.02892
}

Semantic roles & 50–950 ramp

primary

#1D2576

secondary

#AAA145

accent

#D544E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1D2576

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

Preview Lab → · Contrast checker → · Palette generator →