#1D4075#1D4075

#1D4075 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.100 H 258.6°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D4075
RGB	rgb(29, 64, 117)
HSL	hsl(216, 60%, 29%)
HSV	hsv(216, 75%, 46%)
CMYK	cmyk(75.2%, 45.3%, 0%, 54.1%)
CIE-LAB	lab(27.33, 7.21, -34.12)
CIE-LCH	lch(27.33, 34.87, 281.93°)
OKLab	oklab(37.57% -0.0197 -0.0976)
OKLCH	oklch(37.57% 0.1 258.6)
XYZ	xyz(5.5498, 5.2118, 17.5397)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4075 #75521D

analogous

#1D6C75 #1D4075 #261D75

triadic

#1D4075 #751D40 #40751D

tetradic

#1D4075 #751D6C #75521D #1D7526

square

#1D4075 #751D6C #75521D #1D7526

split-complementary

#1D4075 #75261D #6C751D

monochromatic

#060D19 #112544 #1D4075 #295BA6 #3D77CF

Accessibility & contrast

On white

10.28

#1D4075 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1D4075 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4075

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4075	#FFFFFF	#000000	##FFFFFF
##1D4075	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264577

Deuteranopia (green-blind)

#163D74

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d4075;
/* rgb */ color: rgb(29, 64, 117);
/* oklch */ color: oklch(37.6% 0.100 258.6);

Tailwind

colors: {
  custom: {
    50: '#66749d',
    500: '#1d4075',
    950: '#000000',
  },
}

SCSS

$custom: #1d4075;
$custom-light: #66749d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4075",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 117
  },
  "hsl": {
    "h": 216.136,
    "s": 60.274,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37566,
    "c": 0.09954,
    "h": 258.6
  },
  "luminance": 0.05212
}

Semantic roles & 50–950 ramp

primary

#1D4075

secondary

#A98145

accent

#A444E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4075

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

Preview Lab → · Contrast checker → · Palette generator →