#1C2F5F#1C2F5F

#1C2F5F is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.8% C 0.089 H 265.4°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F5F
RGB	rgb(28, 47, 95)
HSL	hsl(223, 54%, 24%)
HSV	hsv(223, 71%, 37%)
CMYK	cmyk(70.5%, 50.5%, 0%, 62.7%)
CIE-LAB	lab(20.46, 10.13, -30.94)
CIE-LCH	lch(20.46, 32.56, 288.12°)
OKLab	oklab(31.79% -0.0071 -0.0886)
OKLCH	oklch(31.79% 0.089 265.4)
XYZ	xyz(3.5602, 3.1058, 11.2361)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F5F #5F4C1C

analogous

#1C515F #1C2F5F #2B1C5F

triadic

#1C2F5F #5F1C2F #2F5F1C

tetradic

#1C2F5F #5F1C51 #5F4C1C #1C5F2B

square

#1C2F5F #5F1C51 #5F4C1C #1C5F2B

split-complementary

#1C2F5F #5F2B1C #515F1C

monochromatic

#070C18 #0E1830 #1C2F5F #2A468E #385EBE

Accessibility & contrast

On white

12.95

#1C2F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1C2F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F5F

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F5F	#FFFFFF	#000000	##FFFFFF
##1C2F5F	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163561

Deuteranopia (green-blind)

#092E5E

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c2f5f;
/* rgb */ color: rgb(28, 47, 95);
/* oklch */ color: oklch(31.8% 0.089 265.4);

Tailwind

colors: {
  custom: {
    50: '#61678d',
    500: '#1c2f5f',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f5f;
$custom-light: #61678d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f5f",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 95
  },
  "hsl": {
    "h": 222.985,
    "s": 54.472,
    "l": 24.118
  },
  "oklch": {
    "l": 0.31787,
    "c": 0.08885,
    "h": 265.4
  },
  "luminance": 0.03106
}

Semantic roles & 50–950 ramp

primary

#1C2F5F

secondary

#947D42

accent

#B44ADE

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1C2F5F

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

Preview Lab → · Contrast checker → · Palette generator →