#1C197E#1C197E

#1C197E is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.161 H 272.8°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#1C197E
RGB	rgb(28, 25, 126)
HSL	hsl(242, 67%, 30%)
HSV	hsv(242, 80%, 49%)
CMYK	cmyk(77.8%, 80.2%, 0%, 50.6%)
CIE-LAB	lab(17.68, 36.92, -55.55)
CIE-LCH	lch(17.68, 66.70, 303.61°)
OKLab	oklab(30.63% 0.0078 -0.1608)
OKLCH	oklch(30.63% 0.161 272.8)
XYZ	xyz(4.5912, 2.4480, 19.9652)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C197E #7B7E19

analogous

#19497E #1C197E #4F197E

triadic

#1C197E #7E1C19 #197E1C

tetradic

#1C197E #7E1949 #7B7E19 #197E4F

square

#1C197E #7E1949 #7B7E19 #197E4F

split-complementary

#1C197E #7E4F19 #497E19

monochromatic

#06051A #110F4B #1C197E #2723B1 #3E3AD8

Accessibility & contrast

On white

14.10

#1C197E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1C197E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C197E

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C197E	#FFFFFF	#000000	##FFFFFF
##1C197E	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00267C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1c197e;
/* rgb */ color: rgb(28, 25, 126);
/* oklch */ color: oklch(30.6% 0.161 272.8);

Tailwind

colors: {
  custom: {
    50: '#6b58a5',
    500: '#1c197e',
    950: '#000000',
  },
}

SCSS

$custom: #1c197e;
$custom-light: #6b58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c197e",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 126
  },
  "hsl": {
    "h": 241.782,
    "s": 66.887,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30633,
    "c": 0.16095,
    "h": 272.8
  },
  "luminance": 0.02448
}

Semantic roles & 50–950 ramp

primary

#1C197E

secondary

#AFB241

accent

#EA3EE5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1C197E

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

Preview Lab → · Contrast checker → · Palette generator →