#1C157A#1C157A

#1C157A is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.160 H 273.7°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#1C157A
RGB	rgb(28, 21, 122)
HSL	hsl(244, 71%, 28%)
HSV	hsv(244, 83%, 48%)
CMYK	cmyk(77%, 82.8%, 0%, 52.2%)
CIE-LAB	lab(16.44, 37.74, -55.05)
CIE-LCH	lch(16.44, 66.74, 304.44°)
OKLab	oklab(29.63% 0.0104 -0.1592)
OKLCH	oklch(29.63% 0.16 273.7)
XYZ	xyz(4.2587, 2.1879, 18.6064)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C157A #737A15

analogous

#15417A #1C157A #4E157A

triadic

#1C157A #7A1C15 #157A1C

tetradic

#1C157A #7A1541 #737A15 #157A4E

square

#1C157A #7A1541 #737A15 #157A4E

split-complementary

#1C157A #7A4E15 #417A15

monochromatic

#06041A #100C46 #1C157A #281EAE #3A2EDB

Accessibility & contrast

On white

14.61

#1C157A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1C157A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C157A

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C157A	#FFFFFF	#000000	##FFFFFF
##1C157A	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7D

Deuteranopia (green-blind)

#002478

Tritanopia (blue-blind)

#003448

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1c157a;
/* rgb */ color: rgb(28, 21, 122);
/* oklch */ color: oklch(29.6% 0.160 273.7);

Tailwind

colors: {
  custom: {
    50: '#6a55a2',
    500: '#1c157a',
    950: '#000000',
  },
}

SCSS

$custom: #1c157a;
$custom-light: #6a55a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c157a",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 122
  },
  "hsl": {
    "h": 244.158,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29626,
    "c": 0.15958,
    "h": 273.7
  },
  "luminance": 0.02188
}

Semantic roles & 50–950 ramp

primary

#1C157A

secondary

#A7AF3B

accent

#ED3AE1

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1C157A

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

Preview Lab → · Contrast checker → · Palette generator →