#1C136B#1C136B

#1C136B is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.142 H 276.2°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#1C136B
RGB	rgb(28, 19, 107)
HSL	hsl(246, 70%, 25%)
HSV	hsv(246, 82%, 42%)
CMYK	cmyk(73.8%, 82.2%, 0%, 58%)
CIE-LAB	lab(14.25, 33.78, -48.96)
CIE-LCH	lch(14.25, 59.48, 304.60°)
OKLab	oklab(27.57% 0.0153 -0.1415)
OKLCH	oklch(27.57% 0.142 276.2)
XYZ	xyz(3.3647, 1.7738, 14.0721)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C136B #626B13

analogous

#13366B #1C136B #48136B

triadic

#1C136B #6B1C13 #136B1C

tetradic

#1C136B #6B1336 #626B13 #136B48

square

#1C136B #6B1336 #626B13 #136B48

split-complementary

#1C136B #6B4813 #366B13

monochromatic

#07051A #0E0A37 #1C136B #2A1C9F #3725D3

Accessibility & contrast

On white

15.50

#1C136B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1C136B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C136B

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C136B	#FFFFFF	#000000	##FFFFFF
##1C136B	1.00	15.50	1.35	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286D

Deuteranopia (green-blind)

#002069

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1c136b;
/* rgb */ color: rgb(28, 19, 107);
/* oklch */ color: oklch(27.6% 0.142 276.2);

Tailwind

colors: {
  custom: {
    50: '#665396',
    500: '#1c136b',
    950: '#000000',
  },
}

SCSS

$custom: #1c136b;
$custom-light: #665396;
$custom-dark: #000000;

JSON

{
  "hex": "#1c136b",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 107
  },
  "hsl": {
    "h": 246.136,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27565,
    "c": 0.14235,
    "h": 276.2
  },
  "luminance": 0.01774
}

Semantic roles & 50–950 ramp

primary

#1C136B

secondary

#97A238

accent

#ED3BDA

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1C136B

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

Preview Lab → · Contrast checker → · Palette generator →