#1C2F7C#1C2F7C

#1C2F7C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.3% C 0.133 H 267.9°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F7C
RGB	rgb(28, 47, 124)
HSL	hsl(228, 63%, 30%)
HSV	hsv(228, 77%, 49%)
CMYK	cmyk(77.4%, 62.1%, 0%, 51.4%)
CIE-LAB	lab(22.77, 21.86, -45.91)
CIE-LCH	lch(22.77, 50.85, 295.46°)
OKLab	oklab(34.26% -0.0048 -0.1326)
OKLCH	oklch(34.26% 0.133 267.9)
XYZ	xyz(5.1322, 3.7346, 19.5152)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F7C #7C691C

analogous

#1C5F7C #1C2F7C #391C7C

triadic

#1C2F7C #7C1C2F #2F7C1C

tetradic

#1C2F7C #7C1C5F #7C691C #1C7C39

square

#1C2F7C #7C1C5F #7C691C #1C7C39

split-complementary

#1C2F7C #7C391C #5F7C1C

monochromatic

#060919 #111C4A #1C2F7C #2742AE #3F5CD4

Accessibility & contrast

On white

12.02

#1C2F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C2F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F7C

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F7C	#FFFFFF	#000000	##FFFFFF
##1C2F7C	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7F

Deuteranopia (green-blind)

#00327B

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2f7c;
/* rgb */ color: rgb(28, 47, 124);
/* oklch */ color: oklch(34.3% 0.133 267.9);

Tailwind

colors: {
  custom: {
    50: '#6867a3',
    500: '#1c2f7c',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f7c;
$custom-light: #6867a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f7c",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 124
  },
  "hsl": {
    "h": 228.125,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34261,
    "c": 0.13268,
    "h": 267.9
  },
  "luminance": 0.03735
}

Semantic roles & 50–950 ramp

primary

#1C2F7C

secondary

#B09A44

accent

#C642E6

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C2F7C

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

Preview Lab → · Contrast checker → · Palette generator →