#1D4D91#1D4D91

#1D4D91 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.7% C 0.124 H 257.9°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D91
RGB	rgb(29, 77, 145)
HSL	hsl(215, 67%, 34%)
HSV	hsv(215, 80%, 57%)
CMYK	cmyk(80%, 46.9%, 0%, 43.1%)
CIE-LAB	lab(33.16, 9.65, -42.14)
CIE-LCH	lch(33.16, 43.23, 282.90°)
OKLab	oklab(42.67% -0.026 -0.1209)
OKLCH	oklch(42.67% 0.124 257.9)
XYZ	xyz(8.2695, 7.6123, 27.8161)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D91 #91611D

analogous

#1D8791 #1D4D91 #271D91

triadic

#1D4D91 #911D4D #4D911D

tetradic

#1D4D91 #911D87 #91611D #1D9127

square

#1D4D91 #911D87 #91611D #1D9127

split-complementary

#1D4D91 #91271D #87911D

monochromatic

#09172B #13325E #1D4D91 #2768C4 #4D88DB

Accessibility & contrast

On white

8.32

#1D4D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1D4D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D91

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D91	#FFFFFF	#000000	##FFFFFF
##1D4D91	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295494

Deuteranopia (green-blind)

#0C4990

Tritanopia (blue-blind)

#005D68

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d4d91;
/* rgb */ color: rgb(29, 77, 145);
/* oklch */ color: oklch(42.7% 0.124 257.9);

Tailwind

colors: {
  custom: {
    50: '#6c7eb2',
    500: '#1d4d91',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d91;
$custom-light: #6c7eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d91",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 145
  },
  "hsl": {
    "h": 215.172,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42666,
    "c": 0.12369,
    "h": 257.9
  },
  "luminance": 0.07613
}

Semantic roles & 50–950 ramp

primary

#1D4D91

secondary

#BE8F4C

accent

#A33EEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4D91

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

Preview Lab → · Contrast checker → · Palette generator →