#1A156D#1A156D

#1A156D is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.144 H 274.4°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#1A156D
RGB	rgb(26, 21, 109)
HSL	hsl(243, 68%, 25%)
HSV	hsv(243, 81%, 43%)
CMYK	cmyk(76.1%, 80.7%, 0%, 57.3%)
CIE-LAB	lab(14.73, 33.14, -49.48)
CIE-LCH	lch(14.73, 59.55, 303.81°)
OKLab	oklab(27.93% 0.0109 -0.1431)
OKLCH	oklch(27.93% 0.144 274.4)
XYZ	xyz(3.4536, 1.8597, 14.6420)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A156D #686D15

analogous

#153C6D #1A156D #46156D

triadic

#1A156D #6D1A15 #156D1A

tetradic

#1A156D #6D153C #686D15 #156D46

square

#1A156D #6D153C #686D15 #156D46

split-complementary

#1A156D #6D4615 #3C6D15

monochromatic

#06051A #0E0B3A #1A156D #261FA0 #3229D4

Accessibility & contrast

On white

15.31

#1A156D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1A156D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A156D

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A156D	#FFFFFF	#000000	##FFFFFF
##1A156D	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296F

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#002F40

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1a156d;
/* rgb */ color: rgb(26, 21, 109);
/* oklch */ color: oklch(27.9% 0.144 274.4);

Tailwind

colors: {
  custom: {
    50: '#665498',
    500: '#1a156d',
    950: '#000000',
  },
}

SCSS

$custom: #1a156d;
$custom-light: #665498;
$custom-dark: #000000;

JSON

{
  "hex": "#1a156d",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 109
  },
  "hsl": {
    "h": 243.409,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.27932,
    "c": 0.14352,
    "h": 274.4
  },
  "luminance": 0.0186
}

Semantic roles & 50–950 ramp

primary

#1A156D

secondary

#9DA33A

accent

#EB3DE1

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1A156D

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

Preview Lab → · Contrast checker → · Palette generator →