#1C2D7B#1C2D7B

#1C2D7B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.8% C 0.134 H 268.6°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D7B
RGB	rgb(28, 45, 123)
HSL	hsl(229, 63%, 30%)
HSV	hsv(229, 77%, 48%)
CMYK	cmyk(77.2%, 63.4%, 0%, 51.8%)
CIE-LAB	lab(22.14, 22.86, -46.32)
CIE-LCH	lch(22.14, 51.65, 296.27°)
OKLab	oklab(33.76% -0.0033 -0.1338)
OKLCH	oklch(33.76% 0.134 268.6)
XYZ	xyz(4.9912, 3.5532, 19.1578)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D7B #7B6A1C

analogous

#1C5D7B #1C2D7B #3B1C7B

triadic

#1C2D7B #7B1C2D #2D7B1C

tetradic

#1C2D7B #7B1C5D #7B6A1C #1C7B3B

square

#1C2D7B #7B1C5D #7B6A1C #1C7B3B

split-complementary

#1C2D7B #7B3B1C #5D7B1C

monochromatic

#060919 #111B49 #1C2D7B #273FAD #3E59D3

Accessibility & contrast

On white

12.27

#1C2D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1C2D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D7B

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D7B	#FFFFFF	#000000	##FFFFFF
##1C2D7B	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7E

Deuteranopia (green-blind)

#003179

Tritanopia (blue-blind)

#00414F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2d7b;
/* rgb */ color: rgb(28, 45, 123);
/* oklch */ color: oklch(33.8% 0.134 268.6);

Tailwind

colors: {
  custom: {
    50: '#6865a2',
    500: '#1c2d7b',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d7b;
$custom-light: #6865a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d7b",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 123
  },
  "hsl": {
    "h": 229.263,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33759,
    "c": 0.13385,
    "h": 268.6
  },
  "luminance": 0.03554
}

Semantic roles & 50–950 ramp

primary

#1C2D7B

secondary

#AF9C44

accent

#C942E6

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1C2D7B

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

Preview Lab → · Contrast checker → · Palette generator →