#1C368E#1C368E

#1C368E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.149 H 266.4°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#1C368E
RGB	rgb(28, 54, 142)
HSL	hsl(226, 67%, 33%)
HSV	hsv(226, 80%, 56%)
CMYK	cmyk(80.3%, 62%, 0%, 44.3%)
CIE-LAB	lab(26.27, 24.14, -51.47)
CIE-LCH	lch(26.27, 56.85, 295.13°)
OKLab	oklab(37.35% -0.0095 -0.1488)
OKLCH	oklch(37.35% 0.149 266.4)
XYZ	xyz(6.6788, 4.8374, 26.1677)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C368E #8E741C

analogous

#1C6F8E #1C368E #3B1C8E

triadic

#1C368E #8E1C36 #368E1C

tetradic

#1C368E #8E1C6F #8E741C #1C8E3B

square

#1C368E #8E1C6F #8E741C #1C8E3B

split-complementary

#1C368E #8E3B1C #6F8E1C

monochromatic

#080F28 #12235B #1C368E #2649C1 #496BDB

Accessibility & contrast

On white

10.67

#1C368E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1C368E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C368E

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C368E	#FFFFFF	#000000	##FFFFFF
##1C368E	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#00398C

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c368e;
/* rgb */ color: rgb(28, 54, 142);
/* oklch */ color: oklch(37.4% 0.149 266.4);

Tailwind

colors: {
  custom: {
    50: '#6c6cb0',
    500: '#1c368e',
    950: '#000000',
  },
}

SCSS

$custom: #1c368e;
$custom-light: #6c6cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c368e",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 142
  },
  "hsl": {
    "h": 226.316,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3735,
    "c": 0.14911,
    "h": 266.4
  },
  "luminance": 0.04838
}

Semantic roles & 50–950 ramp

primary

#1C368E

secondary

#BDA349

accent

#C33EEA

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1C368E

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

Preview Lab → · Contrast checker → · Palette generator →