#1D387A#1D387A

#1D387A is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.117 H 264.5°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D387A
RGB	rgb(29, 56, 122)
HSL	hsl(223, 62%, 30%)
HSV	hsv(223, 76%, 48%)
CMYK	cmyk(76.2%, 54.1%, 0%, 52.2%)
CIE-LAB	lab(25.24, 14.83, -40.64)
CIE-LCH	lch(25.24, 43.26, 290.05°)
OKLab	oklab(36.08% -0.0113 -0.1169)
OKLCH	oklch(36.08% 0.117 264.5)
XYZ	xyz(5.4325, 4.4941, 18.9897)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D387A #7A5F1D

analogous

#1D667A #1D387A #311D7A

triadic

#1D387A #7A1D38 #387A1D

tetradic

#1D387A #7A1D66 #7A5F1D #1D7A31

square

#1D387A #7A1D66 #7A5F1D #1D7A31

split-complementary

#1D387A #7A311D #667A1D

monochromatic

#060B19 #112149 #1D387A #294FAB #406AD2

Accessibility & contrast

On white

11.06

#1D387A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1D387A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D387A

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D387A	#FFFFFF	#000000	##FFFFFF
##1D387A	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C407C

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1d387a;
/* rgb */ color: rgb(29, 56, 122);
/* oklch */ color: oklch(36.1% 0.117 264.5);

Tailwind

colors: {
  custom: {
    50: '#676ea1',
    500: '#1d387a',
    950: '#000000',
  },
}

SCSS

$custom: #1d387a;
$custom-light: #676ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d387a",
  "rgb": {
    "r": 29,
    "g": 56,
    "b": 122
  },
  "hsl": {
    "h": 222.581,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36078,
    "c": 0.11746,
    "h": 264.5
  },
  "luminance": 0.04495
}

Semantic roles & 50–950 ramp

primary

#1D387A

secondary

#AE8F45

accent

#B643E5

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1D387A

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

Preview Lab → · Contrast checker → · Palette generator →