#1C2B7D#1C2B7D

#1C2B7D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.139 H 269.2°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B7D
RGB	rgb(28, 43, 125)
HSL	hsl(231, 63%, 30%)
HSV	hsv(231, 78%, 49%)
CMYK	cmyk(77.6%, 65.6%, 0%, 51%)
CIE-LAB	lab(21.78, 25.04, -48.17)
CIE-LCH	lch(21.78, 54.29, 297.47°)
OKLab	oklab(33.55% -0.0019 -0.1393)
OKLCH	oklch(33.55% 0.139 269.2)
XYZ	xyz(5.0432, 3.4548, 19.7991)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B7D #7D6E1C

analogous

#1C5B7D #1C2B7D #3E1C7D

triadic

#1C2B7D #7D1C2B #2B7D1C

tetradic

#1C2B7D #7D1C5B #7D6E1C #1C7D3E

square

#1C2B7D #7D1C5B #7D6E1C #1C7D3E

split-complementary

#1C2B7D #7D3E1C #5B7D1C

monochromatic

#060919 #111A4B #1C2B7D #273CAF #3F56D4

Accessibility & contrast

On white

12.42

#1C2B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B7D

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B7D	#FFFFFF	#000000	##FFFFFF
##1C2B7D	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003980

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2b7d;
/* rgb */ color: rgb(28, 43, 125);
/* oklch */ color: oklch(33.6% 0.139 269.2);

Tailwind

colors: {
  custom: {
    50: '#6964a3',
    500: '#1c2b7d',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b7d;
$custom-light: #6964a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b7d",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 125
  },
  "hsl": {
    "h": 230.722,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.33553,
    "c": 0.13926,
    "h": 269.2
  },
  "luminance": 0.03455
}

Semantic roles & 50–950 ramp

primary

#1C2B7D

secondary

#B1A044

accent

#CD41E6

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2B7D

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

Preview Lab → · Contrast checker → · Palette generator →