#1C2A55#1C2A55

#1C2A55 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.8% C 0.080 H 267.8°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A55
RGB	rgb(28, 42, 85)
HSL	hsl(225, 50%, 22%)
HSV	hsv(225, 67%, 33%)
CMYK	cmyk(67.1%, 50.6%, 0%, 66.7%)
CIE-LAB	lab(18.18, 9.73, -27.97)
CIE-LCH	lch(18.18, 29.61, 289.18°)
OKLab	oklab(29.82% -0.0031 -0.0799)
OKLCH	oklch(29.82% 0.08 267.8)
XYZ	xyz(2.9460, 2.5584, 8.9311)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A55 #55471C

analogous

#1C4755 #1C2A55 #2B1C55

triadic

#1C2A55 #551C2A #2A551C

tetradic

#1C2A55 #551C47 #55471C #1C552B

square

#1C2A55 #551C47 #55471C #1C552B

split-complementary

#1C2A55 #552B1C #47551C

monochromatic

#080B17 #0D1327 #1C2A55 #2B4183 #3A57B1

Accessibility & contrast

On white

13.89

#1C2A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1C2A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A55

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A55	#FFFFFF	#000000	##FFFFFF
##1C2A55	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152F57

Deuteranopia (green-blind)

#0B2A54

Tritanopia (blue-blind)

#00343B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c2a55;
/* rgb */ color: rgb(28, 42, 85);
/* oklch */ color: oklch(29.8% 0.080 267.8);

Tailwind

colors: {
  custom: {
    50: '#5f6385',
    500: '#1c2a55',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a55;
$custom-light: #5f6385;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a55",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 85
  },
  "hsl": {
    "h": 225.263,
    "s": 50.442,
    "l": 22.157
  },
  "oklch": {
    "l": 0.29815,
    "c": 0.07996,
    "h": 267.8
  },
  "luminance": 0.02559
}

Semantic roles & 50–950 ramp

primary

#1C2A55

secondary

#8B7942

accent

#B84EDA

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#05050B

muted

#79797C

Preview Lab

Preview with #1C2A55

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

Preview Lab → · Contrast checker → · Palette generator →