#1C2FA0#1C2FA0

#1C2FA0 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.182 H 267.9°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#1C2FA0
RGB	rgb(28, 47, 160)
HSL	hsl(231, 70%, 37%)
HSV	hsv(231, 83%, 63%)
CMYK	cmyk(82.5%, 70.6%, 0%, 37.3%)
CIE-LAB	lab(26.21, 35.71, -62.61)
CIE-LCH	lch(26.21, 72.07, 299.70°)
OKLab	oklab(37.83% -0.0065 -0.1814)
OKLCH	oklch(37.83% 0.182 267.9)
XYZ	xyz(7.8384, 4.8170, 33.7676)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2FA0 #A08D1C

analogous

#1C71A0 #1C2FA0 #4B1CA0

triadic

#1C2FA0 #A01C2F #2FA01C

tetradic

#1C2FA0 #A01C71 #A08D1C #1CA04B

square

#1C2FA0 #A01C71 #A08D1C #1CA04B

split-complementary

#1C2FA0 #A04B1C #71A01C

monochromatic

#0A1038 #13206C #1C2FA0 #253ED4 #5569E1

Accessibility & contrast

On white

10.69

#1C2FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1C2FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2FA0

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2FA0	#FFFFFF	#000000	##FFFFFF
##1C2FA0	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A3

Deuteranopia (green-blind)

#00389E

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c2fa0;
/* rgb */ color: rgb(28, 47, 160);
/* oklch */ color: oklch(37.8% 0.182 267.9);

Tailwind

colors: {
  custom: {
    50: '#7268bd',
    500: '#1c2fa0',
    950: '#000000',
  },
}

SCSS

$custom: #1c2fa0;
$custom-light: #7268bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2fa0",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 160
  },
  "hsl": {
    "h": 231.364,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37827,
    "c": 0.18152,
    "h": 267.9
  },
  "luminance": 0.04818
}

Semantic roles & 50–950 ramp

primary

#1C2FA0

secondary

#C4B453

accent

#D33BED

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1C2FA0

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

Preview Lab → · Contrast checker → · Palette generator →