#1C2C8F#1C2C8F

#1C2C8F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.163 H 268.7°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#1C2C8F
RGB	rgb(28, 44, 143)
HSL	hsl(232, 67%, 34%)
HSV	hsv(232, 80%, 56%)
CMYK	cmyk(80.4%, 69.2%, 0%, 43.9%)
CIE-LAB	lab(23.77, 31.30, -56.18)
CIE-LCH	lch(23.77, 64.31, 299.12°)
OKLab	oklab(35.54% -0.0036 -0.1627)
OKLCH	oklch(35.54% 0.163 268.7)
XYZ	xyz(6.3358, 4.0307, 26.4254)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2C8F #8F7F1C

analogous

#1C658F #1C2C8F #451C8F

triadic

#1C2C8F #8F1C2C #2C8F1C

tetradic

#1C2C8F #8F1C65 #8F7F1C #1C8F45

square

#1C2C8F #8F1C65 #8F7F1C #1C8F45

split-complementary

#1C2C8F #8F451C #658F1C

monochromatic

#080D29 #121C5C #1C2C8F #263CC2 #4A5EDC

Accessibility & contrast

On white

11.63

#1C2C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1C2C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2C8F

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2C8F	#FFFFFF	#000000	##FFFFFF
##1C2C8F	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c2c8f;
/* rgb */ color: rgb(28, 44, 143);
/* oklch */ color: oklch(35.5% 0.163 268.7);

Tailwind

colors: {
  custom: {
    50: '#6d65b1',
    500: '#1c2c8f',
    950: '#000000',
  },
}

SCSS

$custom: #1c2c8f;
$custom-light: #6d65b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2c8f",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 143
  },
  "hsl": {
    "h": 231.652,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35542,
    "c": 0.16271,
    "h": 268.7
  },
  "luminance": 0.04031
}

Semantic roles & 50–950 ramp

primary

#1C2C8F

secondary

#BEAD49

accent

#D23EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1C2C8F

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

Preview Lab → · Contrast checker → · Palette generator →