#1C314F#1C314F

#1C314F is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.2% C 0.061 H 257.4°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C314F
RGB	rgb(28, 49, 79)
HSL	hsl(215, 48%, 21%)
HSV	hsv(215, 65%, 31%)
CMYK	cmyk(64.6%, 38%, 0%, 69%)
CIE-LAB	lab(20.08, 2.31, -20.93)
CIE-LCH	lch(20.08, 21.06, 276.29°)
OKLab	oklab(31.15% -0.0132 -0.0592)
OKLCH	oklch(31.15% 0.061 257.4)
XYZ	xyz(2.9880, 3.0078, 7.8187)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C314F #4F3A1C

analogous

#1C4A4F #1C314F #201C4F

triadic

#1C314F #4F1C31 #314F1C

tetradic

#1C314F #4F1C4A #4F3A1C #1C4F20

square

#1C314F #4F1C4A #4F3A1C #1C4F20

split-complementary

#1C314F #4F201C #4A4F1C

monochromatic

#080E17 #0C1522 #1C314F #2C4D7C #3C69A9

Accessibility & contrast

On white

13.11

#1C314F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1C314F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C314F

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C314F	#FFFFFF	#000000	##FFFFFF
##1C314F	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253350

Deuteranopia (green-blind)

#1E2E4E

Tritanopia (blue-blind)

#00383C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c314f;
/* rgb */ color: rgb(28, 49, 79);
/* oklch */ color: oklch(31.2% 0.061 257.4);

Tailwind

colors: {
  custom: {
    50: '#5d6880',
    500: '#1c314f',
    950: '#000000',
  },
}

SCSS

$custom: #1c314f;
$custom-light: #5d6880;
$custom-dark: #000000;

JSON

{
  "hex": "#1c314f",
  "rgb": {
    "r": 28,
    "g": 49,
    "b": 79
  },
  "hsl": {
    "h": 215.294,
    "s": 47.664,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31152,
    "c": 0.06065,
    "h": 257.4
  },
  "luminance": 0.03008
}

Semantic roles & 50–950 ramp

primary

#1C314F

secondary

#856942

accent

#A051D7

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #1C314F

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

Preview Lab → · Contrast checker → · Palette generator →