#1C2D5A#1C2D5A

#1C2D5A is a dark, moderate blue. Relative luminance 0.029; OKLCH L 30.9% C 0.084 H 266.1°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D5A
RGB	rgb(28, 45, 90)
HSL	hsl(224, 53%, 23%)
HSV	hsv(224, 69%, 35%)
CMYK	cmyk(68.9%, 50%, 0%, 64.7%)
CIE-LAB	lab(19.48, 9.56, -29.22)
CIE-LCH	lch(19.48, 30.74, 288.11°)
OKLab	oklab(30.92% -0.0057 -0.0835)
OKLCH	oklch(30.92% 0.084 266.1)
XYZ	xyz(3.2621, 2.8615, 10.0513)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D5A #5A491C

analogous

#1C4C5A #1C2D5A #2A1C5A

triadic

#1C2D5A #5A1C2D #2D5A1C

tetradic

#1C2D5A #5A1C4C #5A491C #1C5A2A

square

#1C2D5A #5A1C4C #5A491C #1C5A2A

split-complementary

#1C2D5A #5A2A1C #4C5A1C

monochromatic

#070C17 #0D162B #1C2D5A #2B4489 #395CB7

Accessibility & contrast

On white

13.36

#1C2D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C2D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D5A

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D5A	#FFFFFF	#000000	##FFFFFF
##1C2D5A	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17325C

Deuteranopia (green-blind)

#0C2D59

Tritanopia (blue-blind)

#00373F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c2d5a;
/* rgb */ color: rgb(28, 45, 90);
/* oklch */ color: oklch(30.9% 0.084 266.1);

Tailwind

colors: {
  custom: {
    50: '#606589',
    500: '#1c2d5a',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d5a;
$custom-light: #606589;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d5a",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 90
  },
  "hsl": {
    "h": 223.548,
    "s": 52.542,
    "l": 23.137
  },
  "oklch": {
    "l": 0.30922,
    "c": 0.08372,
    "h": 266.1
  },
  "luminance": 0.02862
}

Semantic roles & 50–950 ramp

primary

#1C2D5A

secondary

#8F7A42

accent

#B44CDC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050B

muted

#797A7C

Preview Lab

Preview with #1C2D5A

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

Preview Lab → · Contrast checker → · Palette generator →