#1C2FB4#1C2FB4

#1C2FB4 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.0% C 0.206 H 267.6°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#1C2FB4
RGB	rgb(28, 47, 180)
HSL	hsl(233, 73%, 41%)
HSV	hsv(233, 84%, 71%)
CMYK	cmyk(84.4%, 73.9%, 0%, 29.4%)
CIE-LAB	lab(28.31, 42.91, -71.17)
CIE-LCH	lch(28.31, 83.10, 301.09°)
OKLab	oklab(39.97% -0.0086 -0.2063)
OKLCH	oklch(39.97% 0.206 267.6)
XYZ	xyz(9.7308, 5.5740, 43.7342)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2FB4 #B4A11C

analogous

#1C7BB4 #1C2FB4 #551CB4

triadic

#1C2FB4 #B41C2F #2FB41C

tetradic

#1C2FB4 #B41C7B #B4A11C #1CB455

square

#1C2FB4 #B41C7B #B4A11C #1CB455

split-complementary

#1C2FB4 #B4551C #7BB41C

monochromatic

#0C134A #14217F #1C2FB4 #2F45DF #6474E7

Accessibility & contrast

On white

9.93

#1C2FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1C2FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2FB4

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2FB4	#FFFFFF	#000000	##FFFFFF
##1C2FB4	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB8

Deuteranopia (green-blind)

#003BB2

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c2fb4;
/* rgb */ color: rgb(28, 47, 180);
/* oklch */ color: oklch(40.0% 0.206 267.6);

Tailwind

colors: {
  custom: {
    50: '#7768cc',
    500: '#1c2fb4',
    950: '#000000',
  },
}

SCSS

$custom: #1c2fb4;
$custom-light: #7768cc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2fb4",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 180
  },
  "hsl": {
    "h": 232.5,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39966,
    "c": 0.20648,
    "h": 267.6
  },
  "luminance": 0.05575
}

Semantic roles & 50–950 ramp

primary

#1C2FB4

secondary

#CCBE60

accent

#D938F0

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #1C2FB4

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

Preview Lab → · Contrast checker → · Palette generator →