#1C2F84#1C2F84

#1C2F84 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.0% C 0.144 H 268.1°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F84
RGB	rgb(28, 47, 132)
HSL	hsl(229, 65%, 31%)
HSV	hsv(229, 79%, 52%)
CMYK	cmyk(78.8%, 64.4%, 0%, 48.2%)
CIE-LAB	lab(23.49, 25.03, -49.78)
CIE-LCH	lch(23.49, 55.72, 296.69°)
OKLab	oklab(35.01% -0.0048 -0.1439)
OKLCH	oklch(35.01% 0.144 268.1)
XYZ	xyz(5.6588, 3.9452, 22.2886)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F84 #84711C

analogous

#1C6384 #1C2F84 #3D1C84

triadic

#1C2F84 #841C2F #2F841C

tetradic

#1C2F84 #841C63 #84711C #1C843D

square

#1C2F84 #841C63 #84711C #1C843D

split-complementary

#1C2F84 #843D1C #63841C

monochromatic

#070B1F #111D52 #1C2F84 #2741B6 #435ED7

Accessibility & contrast

On white

11.74

#1C2F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1C2F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F84

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F84	#FFFFFF	#000000	##FFFFFF
##1C2F84	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D87

Deuteranopia (green-blind)

#003382

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c2f84;
/* rgb */ color: rgb(28, 47, 132);
/* oklch */ color: oklch(35.0% 0.144 268.1);

Tailwind

colors: {
  custom: {
    50: '#6a67a9',
    500: '#1c2f84',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f84;
$custom-light: #6a67a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f84",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 132
  },
  "hsl": {
    "h": 229.038,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35013,
    "c": 0.14403,
    "h": 268.1
  },
  "luminance": 0.03946
}

Semantic roles & 50–950 ramp

primary

#1C2F84

secondary

#B7A245

accent

#C940E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1C2F84

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

Preview Lab → · Contrast checker → · Palette generator →