#1C197F#1C197F

#1C197F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.162 H 272.7°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#1C197F
RGB	rgb(28, 25, 127)
HSL	hsl(242, 67%, 30%)
HSV	hsv(242, 80%, 50%)
CMYK	cmyk(78%, 80.3%, 0%, 50.2%)
CIE-LAB	lab(17.80, 37.26, -55.99)
CIE-LCH	lch(17.80, 67.25, 303.64°)
OKLab	oklab(30.75% 0.0076 -0.162)
OKLCH	oklch(30.75% 0.162 272.7)
XYZ	xyz(4.6560, 2.4740, 20.3067)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C197F #7C7F19

analogous

#19497F #1C197F #4F197F

triadic

#1C197F #7F1C19 #197F1C

tetradic

#1C197F #7F1949 #7C7F19 #197F4F

square

#1C197F #7F1949 #7C7F19 #197F4F

split-complementary

#1C197F #7F4F19 #497F19

monochromatic

#06051A #110F4C #1C197F #2723B2 #3F3AD8

Accessibility & contrast

On white

14.05

#1C197F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1C197F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C197F

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C197F	#FFFFFF	#000000	##FFFFFF
##1C197F	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00277D

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c197f;
/* rgb */ color: rgb(28, 25, 127);
/* oklch */ color: oklch(30.8% 0.162 272.7);

Tailwind

colors: {
  custom: {
    50: '#6b58a5',
    500: '#1c197f',
    950: '#000000',
  },
}

SCSS

$custom: #1c197f;
$custom-light: #6b58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c197f",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 127
  },
  "hsl": {
    "h": 241.765,
    "s": 67.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3075,
    "c": 0.16222,
    "h": 272.7
  },
  "luminance": 0.02474
}

Semantic roles & 50–950 ramp

primary

#1C197F

secondary

#B0B341

accent

#EA3EE5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1C197F

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

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