#1D427E#1D427E

#1D427E is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.7% C 0.110 H 259.7°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#1D427E
RGB	rgb(29, 66, 126)
HSL	hsl(217, 63%, 30%)
HSV	hsv(217, 77%, 49%)
CMYK	cmyk(77%, 47.6%, 0%, 50.6%)
CIE-LAB	lab(28.55, 9.47, -37.82)
CIE-LCH	lch(28.55, 38.99, 284.06°)
OKLab	oklab(38.7% -0.0198 -0.1084)
OKLCH	oklch(38.7% 0.11 259.7)
XYZ	xyz(6.2194, 5.6633, 20.5000)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D427E #7E591D

analogous

#1D737E #1D427E #281D7E

triadic

#1D427E #7E1D42 #427E1D

tetradic

#1D427E #7E1D73 #7E591D #1D7E28

square

#1D427E #7E1D73 #7E591D #1D7E28

split-complementary

#1D427E #7E281D #737E1D

monochromatic

#060E1B #12284C #1D427E #285CB0 #4279D3

Accessibility & contrast

On white

9.85

#1D427E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1D427E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D427E

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D427E	#FFFFFF	#000000	##FFFFFF
##1D427E	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234880

Deuteranopia (green-blind)

#0C3F7D

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d427e;
/* rgb */ color: rgb(29, 66, 126);
/* oklch */ color: oklch(38.7% 0.110 259.7);

Tailwind

colors: {
  custom: {
    50: '#6875a4',
    500: '#1d427e',
    950: '#000000',
  },
}

SCSS

$custom: #1d427e;
$custom-light: #6875a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d427e",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 126
  },
  "hsl": {
    "h": 217.113,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.38698,
    "c": 0.11023,
    "h": 259.7
  },
  "luminance": 0.05664
}

Semantic roles & 50–950 ramp

primary

#1D427E

secondary

#B18845

accent

#A742E6

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1D427E

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

Preview Lab → · Contrast checker → · Palette generator →