#1C2E8F#1C2E8F

#1C2E8F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.160 H 268.3°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C2E8F
RGB	rgb(28, 46, 143)
HSL	hsl(231, 67%, 34%)
HSV	hsv(231, 80%, 56%)
CMYK	cmyk(80.4%, 67.8%, 0%, 43.9%)
CIE-LAB	lab(24.27, 29.97, -55.36)
CIE-LCH	lch(24.27, 62.96, 298.43°)
OKLab	oklab(35.9% -0.0047 -0.1603)
OKLCH	oklch(35.9% 0.16 268.3)
XYZ	xyz(6.4121, 4.1833, 26.4508)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2E8F #8F7D1C

analogous

#1C678F #1C2E8F #431C8F

triadic

#1C2E8F #8F1C2E #2E8F1C

tetradic

#1C2E8F #8F1C67 #8F7D1C #1C8F43

square

#1C2E8F #8F1C67 #8F7D1C #1C8F43

split-complementary

#1C2E8F #8F431C #678F1C

monochromatic

#080D29 #121E5C #1C2E8F #263EC2 #4A61DC

Accessibility & contrast

On white

11.43

#1C2E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1C2E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2E8F

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2E8F	#FFFFFF	#000000	##FFFFFF
##1C2E8F	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c2e8f;
/* rgb */ color: rgb(28, 46, 143);
/* oklch */ color: oklch(35.9% 0.160 268.3);

Tailwind

colors: {
  custom: {
    50: '#6d66b1',
    500: '#1c2e8f',
    950: '#000000',
  },
}

SCSS

$custom: #1c2e8f;
$custom-light: #6d66b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2e8f",
  "rgb": {
    "r": 28,
    "g": 46,
    "b": 143
  },
  "hsl": {
    "h": 230.609,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35904,
    "c": 0.16035,
    "h": 268.3
  },
  "luminance": 0.04184
}

Semantic roles & 50–950 ramp

primary

#1C2E8F

secondary

#BEAB49

accent

#CF3EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C2E8F

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

Preview Lab → · Contrast checker → · Palette generator →