#1C2C7B#1C2C7B

#1C2C7B is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.135 H 268.9°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#1C2C7B
RGB	rgb(28, 44, 123)
HSL	hsl(230, 63%, 30%)
HSV	hsv(230, 77%, 48%)
CMYK	cmyk(77.2%, 64.2%, 0%, 51.8%)
CIE-LAB	lab(21.86, 23.56, -46.76)
CIE-LCH	lch(21.86, 52.36, 296.74°)
OKLab	oklab(33.56% -0.0026 -0.1351)
OKLCH	oklch(33.56% 0.135 268.9)
XYZ	xyz(4.9535, 3.4778, 19.1453)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2C7B #7B6B1C

analogous

#1C5C7B #1C2C7B #3C1C7B

triadic

#1C2C7B #7B1C2C #2C7B1C

tetradic

#1C2C7B #7B1C5C #7B6B1C #1C7B3C

square

#1C2C7B #7B1C5C #7B6B1C #1C7B3C

split-complementary

#1C2C7B #7B3C1C #5C7B1C

monochromatic

#060919 #111A49 #1C2C7B #273EAD #3E57D3

Accessibility & contrast

On white

12.38

#1C2C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C2C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2C7B

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2C7B	#FFFFFF	#000000	##FFFFFF
##1C2C7B	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397E

Deuteranopia (green-blind)

#003079

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2c7b;
/* rgb */ color: rgb(28, 44, 123);
/* oklch */ color: oklch(33.6% 0.135 268.9);

Tailwind

colors: {
  custom: {
    50: '#6865a2',
    500: '#1c2c7b',
    950: '#000000',
  },
}

SCSS

$custom: #1c2c7b;
$custom-light: #6865a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2c7b",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 123
  },
  "hsl": {
    "h": 229.895,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33558,
    "c": 0.13514,
    "h": 268.9
  },
  "luminance": 0.03478
}

Semantic roles & 50–950 ramp

primary

#1C2C7B

secondary

#AF9D44

accent

#CA42E6

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1C2C7B

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

Preview Lab → · Contrast checker → · Palette generator →