#1A2139#1A2139

#1A2139 is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.4% C 0.047 H 270.5°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#1A2139
RGB	rgb(26, 33, 57)
HSL	hsl(226, 37%, 16%)
HSV	hsv(226, 54%, 22%)
CMYK	cmyk(54.4%, 42.1%, 0%, 77.6%)
CIE-LAB	lab(13.25, 4.91, -16.55)
CIE-LCH	lch(13.25, 17.27, 286.51°)
OKLab	oklab(25.39% 0.0004 -0.0466)
OKLCH	oklch(25.39% 0.047 270.5)
XYZ	xyz(1.7081, 1.6026, 4.0894)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2139 #39321A

analogous

#1A3139 #1A2139 #231A39

triadic

#1A2139 #391A21 #21391A

tetradic

#1A2139 #391A31 #39321A #1A3923

square

#1A2139 #391A31 #39321A #1A3923

split-complementary

#1A2139 #39231A #31391A

monochromatic

#0A0C15 #0A0C15 #1A2139 #2D3963 #40528D

Accessibility & contrast

On white

15.90

#1A2139 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1A2139 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2139

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2139	#FFFFFF	#000000	##FFFFFF
##1A2139	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18233A

Deuteranopia (green-blind)

#152138

Tritanopia (blue-blind)

#0E262A

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1a2139;
/* rgb */ color: rgb(26, 33, 57);
/* oklch */ color: oklch(25.4% 0.047 270.5);

Tailwind

colors: {
  custom: {
    50: '#585c6f',
    500: '#1a2139',
    950: '#000000',
  },
}

SCSS

$custom: #1a2139;
$custom-light: #585c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2139",
  "rgb": {
    "r": 26,
    "g": 33,
    "b": 57
  },
  "hsl": {
    "h": 226.452,
    "s": 37.349,
    "l": 16.275
  },
  "oklch": {
    "l": 0.25387,
    "c": 0.04662,
    "h": 270.5
  },
  "luminance": 0.01603
}

Semantic roles & 50–950 ramp

primary

#1A2139

secondary

#6E6441

accent

#B35ACD

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #1A2139

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

Preview Lab → · Contrast checker → · Palette generator →