#1C2F7A#1C2F7A

#1C2F7A is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.1% C 0.130 H 267.9°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F7A
RGB	rgb(28, 47, 122)
HSL	hsl(228, 63%, 29%)
HSV	hsv(228, 77%, 48%)
CMYK	cmyk(77%, 61.5%, 0%, 52.2%)
CIE-LAB	lab(22.60, 21.06, -44.93)
CIE-LCH	lch(22.60, 49.62, 295.11°)
OKLab	oklab(34.08% -0.0048 -0.1297)
OKLCH	oklch(34.08% 0.13 267.9)
XYZ	xyz(5.0070, 3.6845, 18.8559)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F7A #7A671C

analogous

#1C5E7A #1C2F7A #381C7A

triadic

#1C2F7A #7A1C2F #2F7A1C

tetradic

#1C2F7A #7A1C5E #7A671C #1C7A38

square

#1C2F7A #7A1C5E #7A671C #1C7A38

split-complementary

#1C2F7A #7A381C #5E7A1C

monochromatic

#060A19 #111C48 #1C2F7A #2742AC #3E5CD3

Accessibility & contrast

On white

12.09

#1C2F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C2F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F7A

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F7A	#FFFFFF	#000000	##FFFFFF
##1C2F7A	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7D

Deuteranopia (green-blind)

#003279

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2f7a;
/* rgb */ color: rgb(28, 47, 122);
/* oklch */ color: oklch(34.1% 0.130 267.9);

Tailwind

colors: {
  custom: {
    50: '#6767a1',
    500: '#1c2f7a',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f7a;
$custom-light: #6767a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f7a",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 122
  },
  "hsl": {
    "h": 227.872,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34077,
    "c": 0.12979,
    "h": 267.9
  },
  "luminance": 0.03685
}

Semantic roles & 50–950 ramp

primary

#1C2F7A

secondary

#AE9844

accent

#C542E6

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C2F7A

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

Preview Lab → · Contrast checker → · Palette generator →