#1C276A#1C276A

#1C276A is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.9% C 0.117 H 270.8°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C276A
RGB	rgb(28, 39, 106)
HSL	hsl(232, 58%, 26%)
HSV	hsv(232, 74%, 42%)
CMYK	cmyk(73.6%, 63.2%, 0%, 58.4%)
CIE-LAB	lab(18.96, 20.34, -40.57)
CIE-LCH	lch(18.96, 45.38, 296.63°)
OKLab	oklab(30.94% 0.0016 -0.117)
OKLCH	oklch(30.94% 0.117 270.8)
XYZ	xyz(3.8050, 2.7381, 13.9609)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C276A #6A5F1C

analogous

#1C4E6A #1C276A #381C6A

triadic

#1C276A #6A1C27 #276A1C

tetradic

#1C276A #6A1C4E #6A5F1C #1C6A38

square

#1C276A #6A1C4E #6A5F1C #1C6A38

split-complementary

#1C276A #6A381C #4E6A1C

monochromatic

#060918 #0F153A #1C276A #29399A #364BCA

Accessibility & contrast

On white

13.57

#1C276A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C276A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C276A

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C276A	#FFFFFF	#000000	##FFFFFF
##1C276A	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326C

Deuteranopia (green-blind)

#002B69

Tritanopia (blue-blind)

#003844

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c276a;
/* rgb */ color: rgb(28, 39, 106);
/* oklch */ color: oklch(30.9% 0.117 270.8);

Tailwind

colors: {
  custom: {
    50: '#646195',
    500: '#1c276a',
    950: '#000000',
  },
}

SCSS

$custom: #1c276a;
$custom-light: #646195;
$custom-dark: #000000;

JSON

{
  "hex": "#1c276a",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 106
  },
  "hsl": {
    "h": 231.538,
    "s": 58.209,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30935,
    "c": 0.11702,
    "h": 270.8
  },
  "luminance": 0.02739
}

Semantic roles & 50–950 ramp

primary

#1C276A

secondary

#9F9243

accent

#CC46E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1C276A

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

Preview Lab → · Contrast checker → · Palette generator →