#1C157E#1C157E

#1C157E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.165 H 273.2°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C157E
RGB	rgb(28, 21, 126)
HSL	hsl(244, 71%, 29%)
HSV	hsv(244, 83%, 49%)
CMYK	cmyk(77.8%, 83.3%, 0%, 50.6%)
CIE-LAB	lab(16.94, 39.07, -56.79)
CIE-LCH	lch(16.94, 68.93, 304.53°)
OKLab	oklab(30.11% 0.0093 -0.1643)
OKLCH	oklch(30.11% 0.165 273.2)
XYZ	xyz(4.5117, 2.2891, 19.9387)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C157E #777E15

analogous

#15437E #1C157E #51157E

triadic

#1C157E #7E1C15 #157E1C

tetradic

#1C157E #7E1543 #777E15 #157E51

square

#1C157E #7E1543 #777E15 #157E51

split-complementary

#1C157E #7E5115 #437E15

monochromatic

#06041A #100C4A #1C157E #281EB2 #3C31DD

Accessibility & contrast

On white

14.40

#1C157E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1C157E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C157E

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C157E	#FFFFFF	#000000	##FFFFFF
##1C157E	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F81

Deuteranopia (green-blind)

#00257C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1c157e;
/* rgb */ color: rgb(28, 21, 126);
/* oklch */ color: oklch(30.1% 0.165 273.2);

Tailwind

colors: {
  custom: {
    50: '#6b55a5',
    500: '#1c157e',
    950: '#000000',
  },
}

SCSS

$custom: #1c157e;
$custom-light: #6b55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c157e",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 126
  },
  "hsl": {
    "h": 244,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30112,
    "c": 0.16454,
    "h": 273.2
  },
  "luminance": 0.0229
}

Semantic roles & 50–950 ramp

primary

#1C157E

secondary

#ABB33C

accent

#EE3AE2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1C157E

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

Preview Lab → · Contrast checker → · Palette generator →