#1C2F89#1C2F89

#1C2F89 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.151 H 268.1°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F89
RGB	rgb(28, 47, 137)
HSL	hsl(230, 66%, 32%)
HSV	hsv(230, 80%, 54%)
CMYK	cmyk(79.6%, 65.7%, 0%, 46.3%)
CIE-LAB	lab(23.95, 26.98, -52.15)
CIE-LCH	lch(23.95, 58.72, 297.35°)
OKLab	oklab(35.5% -0.005 -0.1509)
OKLCH	oklch(35.5% 0.151 268.1)
XYZ	xyz(6.0092, 4.0854, 24.1339)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F89 #89761C

analogous

#1C6689 #1C2F89 #3F1C89

triadic

#1C2F89 #891C2F #2F891C

tetradic

#1C2F89 #891C66 #89761C #1C893F

square

#1C2F89 #891C66 #89761C #1C893F

split-complementary

#1C2F89 #893F1C #66891C

monochromatic

#070C23 #121E56 #1C2F89 #2640BC #4660D9

Accessibility & contrast

On white

11.56

#1C2F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1C2F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F89

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F89	#FFFFFF	#000000	##FFFFFF
##1C2F89	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8C

Deuteranopia (green-blind)

#003487

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c2f89;
/* rgb */ color: rgb(28, 47, 137);
/* oklch */ color: oklch(35.5% 0.151 268.1);

Tailwind

colors: {
  custom: {
    50: '#6b67ac',
    500: '#1c2f89',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f89;
$custom-light: #6b67ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f89",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 137
  },
  "hsl": {
    "h": 229.541,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35496,
    "c": 0.15097,
    "h": 268.1
  },
  "luminance": 0.04086
}

Semantic roles & 50–950 ramp

primary

#1C2F89

secondary

#BBA746

accent

#CB3FE9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1C2F89

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

Preview Lab → · Contrast checker → · Palette generator →