#1C2B85#1C2B85

#1C2B85 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.3% C 0.150 H 269.1°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B85
RGB	rgb(28, 43, 133)
HSL	hsl(231, 65%, 32%)
HSV	hsv(231, 79%, 52%)
CMYK	cmyk(78.9%, 67.7%, 0%, 47.8%)
CIE-LAB	lab(22.54, 28.15, -51.97)
CIE-LCH	lch(22.54, 59.10, 298.44°)
OKLab	oklab(34.34% -0.0023 -0.1504)
OKLCH	oklch(34.34% 0.15 269.1)
XYZ	xyz(5.5749, 3.6675, 22.5998)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B85 #85761C

analogous

#1C6085 #1C2B85 #421C85

triadic

#1C2B85 #851C2B #2B851C

tetradic

#1C2B85 #851C60 #85761C #1C8542

square

#1C2B85 #851C60 #85761C #1C8542

split-complementary

#1C2B85 #85421C #60851C

monochromatic

#070A20 #111B52 #1C2B85 #273BB8 #4459D8

Accessibility & contrast

On white

12.11

#1C2B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1C2B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B85

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B85	#FFFFFF	#000000	##FFFFFF
##1C2B85	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B88

Deuteranopia (green-blind)

#003183

Tritanopia (blue-blind)

#004354

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2b85;
/* rgb */ color: rgb(28, 43, 133);
/* oklch */ color: oklch(34.3% 0.150 269.1);

Tailwind

colors: {
  custom: {
    50: '#6b64a9',
    500: '#1c2b85',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b85;
$custom-light: #6b64a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b85",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 133
  },
  "hsl": {
    "h": 231.429,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.34344,
    "c": 0.15039,
    "h": 269.1
  },
  "luminance": 0.03668
}

Semantic roles & 50–950 ramp

primary

#1C2B85

secondary

#B8A845

accent

#D040E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1C2B85

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

Preview Lab → · Contrast checker → · Palette generator →