#1D4088#1D4088

#1D4088 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.127 H 262.6°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#1D4088
RGB	rgb(29, 64, 136)
HSL	hsl(220, 65%, 32%)
HSV	hsv(220, 79%, 53%)
CMYK	cmyk(78.7%, 52.9%, 0%, 46.7%)
CIE-LAB	lab(28.66, 14.91, -43.87)
CIE-LCH	lch(28.66, 46.34, 288.77°)
OKLab	oklab(39.01% -0.0165 -0.1263)
OKLCH	oklch(39.01% 0.127 262.6)
XYZ	xyz(6.7824, 5.7048, 24.0315)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4088 #88651D

analogous

#1D7588 #1D4088 #301D88

triadic

#1D4088 #881D40 #40881D

tetradic

#1D4088 #881D75 #88651D #1D8830

square

#1D4088 #881D75 #88651D #1D8830

split-complementary

#1D4088 #88301D #75881D

monochromatic

#071123 #122856 #1D4088 #2858BA #4877D8

Accessibility & contrast

On white

9.81

#1D4088 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1D4088 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4088

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4088	#FFFFFF	#000000	##FFFFFF
##1D4088	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11498B

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d4088;
/* rgb */ color: rgb(29, 64, 136);
/* oklch */ color: oklch(39.0% 0.127 262.6);

Tailwind

colors: {
  custom: {
    50: '#6a74ab',
    500: '#1d4088',
    950: '#000000',
  },
}

SCSS

$custom: #1d4088;
$custom-light: #6a74ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4088",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 136
  },
  "hsl": {
    "h": 220.374,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39008,
    "c": 0.12735,
    "h": 262.6
  },
  "luminance": 0.05706
}

Semantic roles & 50–950 ramp

primary

#1D4088

secondary

#BA9447

accent

#B140E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D4088

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

Preview Lab → · Contrast checker → · Palette generator →