#1C3E7E#1C3E7E

#1C3E7E is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.116 H 261.6°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E7E
RGB	rgb(28, 62, 126)
HSL	hsl(219, 64%, 30%)
HSV	hsv(219, 78%, 49%)
CMYK	cmyk(77.8%, 50.8%, 0%, 50.6%)
CIE-LAB	lab(27.29, 12.11, -39.85)
CIE-LCH	lch(27.29, 41.65, 286.91°)
OKLab	oklab(37.72% -0.0169 -0.1145)
OKLCH	oklch(37.72% 0.116 261.6)
XYZ	xyz(5.9661, 5.1978, 20.4235)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E7E #7E5C1C

analogous

#1C6F7E #1C3E7E #2B1C7E

triadic

#1C3E7E #7E1C3E #3E7E1C

tetradic

#1C3E7E #7E1C6F #7E5C1C #1C7E2B

square

#1C3E7E #7E1C6F #7E5C1C #1C7E2B

split-complementary

#1C3E7E #7E2B1C #6F7E1C

monochromatic

#060D1A #11254C #1C3E7E #2757B0 #4073D5

Accessibility & contrast

On white

10.30

#1C3E7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1C3E7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E7E

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E7E	#FFFFFF	#000000	##FFFFFF
##1C3E7E	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194580

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1c3e7e;
/* rgb */ color: rgb(28, 62, 126);
/* oklch */ color: oklch(37.7% 0.116 261.6);

Tailwind

colors: {
  custom: {
    50: '#6772a4',
    500: '#1c3e7e',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e7e;
$custom-light: #6772a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e7e",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 126
  },
  "hsl": {
    "h": 219.184,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37723,
    "c": 0.11573,
    "h": 261.6
  },
  "luminance": 0.05198
}

Semantic roles & 50–950 ramp

primary

#1C3E7E

secondary

#B28C44

accent

#AD41E7

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C3E7E

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

Preview Lab → · Contrast checker → · Palette generator →