#1C407F#1C407F

#1C407F is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.115 H 260.7°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#1C407F
RGB	rgb(28, 64, 127)
HSL	hsl(218, 64%, 30%)
HSV	hsv(218, 78%, 50%)
CMYK	cmyk(78%, 49.6%, 0%, 50.2%)
CIE-LAB	lab(27.97, 11.13, -39.38)
CIE-LCH	lch(27.97, 40.92, 285.78°)
OKLab	oklab(38.26% -0.0185 -0.1131)
OKLCH	oklch(38.26% 0.115 260.7)
XYZ	xyz(6.1417, 5.4453, 20.8019)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C407F #7F5B1C

analogous

#1C717F #1C407F #2A1C7F

triadic

#1C407F #7F1C40 #407F1C

tetradic

#1C407F #7F1C71 #7F5B1C #1C7F2A

square

#1C407F #7F1C71 #7F5B1C #1C7F2A

split-complementary

#1C407F #7F2A1C #717F1C

monochromatic

#060D1B #11274D #1C407F #2759B1 #4076D5

Accessibility & contrast

On white

10.05

#1C407F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1C407F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C407F

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C407F	#FFFFFF	#000000	##FFFFFF
##1C407F	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4781

Deuteranopia (green-blind)

#003E7E

Tritanopia (blue-blind)

#004F59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1c407f;
/* rgb */ color: rgb(28, 64, 127);
/* oklch */ color: oklch(38.3% 0.115 260.7);

Tailwind

colors: {
  custom: {
    50: '#6874a4',
    500: '#1c407f',
    950: '#000000',
  },
}

SCSS

$custom: #1c407f;
$custom-light: #6874a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c407f",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 127
  },
  "hsl": {
    "h": 218.182,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.38264,
    "c": 0.11459,
    "h": 260.7
  },
  "luminance": 0.05446
}

Semantic roles & 50–950 ramp

primary

#1C407F

secondary

#B38A44

accent

#AB41E7

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C407F

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

Preview Lab → · Contrast checker → · Palette generator →