#1C2E8A#1C2E8A

#1C2E8A is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.154 H 268.4°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C2E8A
RGB	rgb(28, 46, 138)
HSL	hsl(230, 66%, 33%)
HSV	hsv(230, 80%, 54%)
CMYK	cmyk(79.7%, 66.7%, 0%, 45.9%)
CIE-LAB	lab(23.79, 28.05, -53.05)
CIE-LCH	lch(23.79, 60.01, 297.87°)
OKLab	oklab(35.41% -0.0044 -0.1535)
OKLCH	oklch(35.41% 0.154 268.4)
XYZ	xyz(6.0417, 4.0352, 24.5003)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2E8A #8A781C

analogous

#1C658A #1C2E8A #411C8A

triadic

#1C2E8A #8A1C2E #2E8A1C

tetradic

#1C2E8A #8A1C65 #8A781C #1C8A41

square

#1C2E8A #8A1C65 #8A781C #1C8A41

split-complementary

#1C2E8A #8A411C #658A1C

monochromatic

#070C24 #121D57 #1C2E8A #263FBD #475FDA

Accessibility & contrast

On white

11.62

#1C2E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1C2E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2E8A

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2E8A	#FFFFFF	#000000	##FFFFFF
##1C2E8A	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#003388

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c2e8a;
/* rgb */ color: rgb(28, 46, 138);
/* oklch */ color: oklch(35.4% 0.154 268.4);

Tailwind

colors: {
  custom: {
    50: '#6c66ad',
    500: '#1c2e8a',
    950: '#000000',
  },
}

SCSS

$custom: #1c2e8a;
$custom-light: #6c66ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2e8a",
  "rgb": {
    "r": 28,
    "g": 46,
    "b": 138
  },
  "hsl": {
    "h": 230.182,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35405,
    "c": 0.15357,
    "h": 268.4
  },
  "luminance": 0.04036
}

Semantic roles & 50–950 ramp

primary

#1C2E8A

secondary

#BBA846

accent

#CD3FE9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1C2E8A

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

Preview Lab → · Contrast checker → · Palette generator →