#1A157F#1A157F

#1A157F is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.166 H 272.2°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#1A157F
RGB	rgb(26, 21, 127)
HSL	hsl(243, 72%, 29%)
HSV	hsv(243, 83%, 50%)
CMYK	cmyk(79.5%, 83.5%, 0%, 50.2%)
CIE-LAB	lab(16.93, 39.26, -57.44)
CIE-LCH	lch(16.93, 69.57, 304.35°)
OKLab	oklab(30.11% 0.0064 -0.1662)
OKLCH	oklch(30.11% 0.166 272.2)
XYZ	xyz(4.5236, 2.2878, 20.2777)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A157F #7A7F15

analogous

#15457F #1A157F #4F157F

triadic

#1A157F #7F1A15 #157F1A

tetradic

#1A157F #7F1545 #7A7F15 #157F4F

square

#1A157F #7F1545 #7A7F15 #157F4F

split-complementary

#1A157F #7F4F15 #457F15

monochromatic

#05041A #0F0C4A #1A157F #251EB4 #3931DD

Accessibility & contrast

On white

14.41

#1A157F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1A157F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A157F

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A157F	#FFFFFF	#000000	##FFFFFF
##1A157F	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F82

Deuteranopia (green-blind)

#00247D

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a157f;
/* rgb */ color: rgb(26, 21, 127);
/* oklch */ color: oklch(30.1% 0.166 272.2);

Tailwind

colors: {
  custom: {
    50: '#6b55a5',
    500: '#1a157f',
    950: '#000000',
  },
}

SCSS

$custom: #1a157f;
$custom-light: #6b55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a157f",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 127
  },
  "hsl": {
    "h": 242.83,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30109,
    "c": 0.16633,
    "h": 272.2
  },
  "luminance": 0.02288
}

Semantic roles & 50–950 ramp

primary

#1A157F

secondary

#AEB43C

accent

#EE39E6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1A157F

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

Preview Lab → · Contrast checker → · Palette generator →