#1D4E93#1D4E93

#1D4E93 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.0% C 0.125 H 257.8°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E93
RGB	rgb(29, 78, 147)
HSL	hsl(215, 67%, 35%)
HSV	hsv(215, 80%, 58%)
CMYK	cmyk(80.3%, 46.9%, 0%, 42.4%)
CIE-LAB	lab(33.60, 9.78, -42.66)
CIE-LCH	lch(33.60, 43.77, 282.91°)
OKLab	oklab(43.04% -0.0265 -0.1224)
OKLCH	oklch(43.04% 0.125 257.8)
XYZ	xyz(8.4956, 7.8156, 28.6589)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E93 #93621D

analogous

#1D8993 #1D4E93 #271D93

triadic

#1D4E93 #931D4E #4E931D

tetradic

#1D4E93 #931D89 #93621D #1D9327

square

#1D4E93 #931D89 #93621D #1D9327

split-complementary

#1D4E93 #93271D #89931D

monochromatic

#09182D #133360 #1D4E93 #2769C6 #4E89DC

Accessibility & contrast

On white

8.19

#1D4E93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1D4E93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E93

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E93	#FFFFFF	#000000	##FFFFFF
##1D4E93	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295596

Deuteranopia (green-blind)

#0C4A92

Tritanopia (blue-blind)

#005E69

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d4e93;
/* rgb */ color: rgb(29, 78, 147);
/* oklch */ color: oklch(43.0% 0.125 257.8);

Tailwind

colors: {
  custom: {
    50: '#6c7fb3',
    500: '#1d4e93',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e93;
$custom-light: #6c7fb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e93",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 147
  },
  "hsl": {
    "h": 215.085,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43044,
    "c": 0.12528,
    "h": 257.8
  },
  "luminance": 0.07817
}

Semantic roles & 50–950 ramp

primary

#1D4E93

secondary

#BF904D

accent

#A23EEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D4E93

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

Preview Lab → · Contrast checker → · Palette generator →