#1D27A6#1D27A6

#1D27A6 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.3% C 0.197 H 269.0°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#1D27A6
RGB	rgb(29, 39, 166)
HSL	hsl(236, 70%, 38%)
HSV	hsv(236, 83%, 65%)
CMYK	cmyk(82.5%, 76.5%, 0%, 34.9%)
CIE-LAB	lab(25.15, 42.77, -67.99)
CIE-LCH	lch(25.15, 80.32, 302.17°)
OKLab	oklab(37.27% -0.0034 -0.197)
OKLCH	oklch(37.27% 0.197 269)
XYZ	xyz(8.1128, 4.4645, 36.5031)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D27A6 #A69C1D

analogous

#1D6CA6 #1D27A6 #571DA6

triadic

#1D27A6 #A61D27 #27A61D

tetradic

#1D27A6 #A61D6C #A69C1D #1DA657

square

#1D27A6 #A61D6C #A69C1D #1DA657

split-complementary

#1D27A6 #A6571D #6CA61D

monochromatic

#0B0F3E #141B72 #1D27A6 #2734D9 #5B65E2

Accessibility & contrast

On white

11.09

#1D27A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1D27A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D27A6

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D27A6	#FFFFFF	#000000	##FFFFFF
##1D27A6	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AA

Deuteranopia (green-blind)

#0035A4

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1d27a6;
/* rgb */ color: rgb(29, 39, 166);
/* oklch */ color: oklch(37.3% 0.197 269.0);

Tailwind

colors: {
  custom: {
    50: '#7463c2',
    500: '#1d27a6',
    950: '#000000',
  },
}

SCSS

$custom: #1d27a6;
$custom-light: #7463c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d27a6",
  "rgb": {
    "r": 29,
    "g": 39,
    "b": 166
  },
  "hsl": {
    "h": 235.62,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37273,
    "c": 0.19702,
    "h": 269
  },
  "luminance": 0.04465
}

Semantic roles & 50–950 ramp

primary

#1D27A6

secondary

#C6BE59

accent

#E03BED

background

#F7F5FC

surface

#EEEAF8

border

#C9C6D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #1D27A6

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

Preview Lab → · Contrast checker → · Palette generator →