#1C306E#1C306E

#1C306E is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.111 H 266.8°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#1C306E
RGB	rgb(28, 48, 110)
HSL	hsl(225, 59%, 27%)
HSV	hsv(225, 75%, 43%)
CMYK	cmyk(74.5%, 56.4%, 0%, 56.9%)
CIE-LAB	lab(21.89, 15.50, -38.40)
CIE-LCH	lch(21.89, 41.41, 291.99°)
OKLab	oklab(33.24% -0.0062 -0.1105)
OKLCH	oklch(33.24% 0.111 266.8)
XYZ	xyz(4.3493, 3.4861, 15.1925)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C306E #6E5A1C

analogous

#1C596E #1C306E #311C6E

triadic

#1C306E #6E1C30 #306E1C

tetradic

#1C306E #6E1C59 #6E5A1C #1C6E31

square

#1C306E #6E1C59 #6E5A1C #1C6E31

split-complementary

#1C306E #6E311C #596E1C

monochromatic

#060B18 #101B3D #1C306E #28459F #385CCC

Accessibility & contrast

On white

12.37

#1C306E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C306E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C306E

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C306E	#FFFFFF	#000000	##FFFFFF
##1C306E	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033870

Deuteranopia (green-blind)

#00316D

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c306e;
/* rgb */ color: rgb(28, 48, 110);
/* oklch */ color: oklch(33.2% 0.111 266.8);

Tailwind

colors: {
  custom: {
    50: '#646798',
    500: '#1c306e',
    950: '#000000',
  },
}

SCSS

$custom: #1c306e;
$custom-light: #646798;
$custom-dark: #000000;

JSON

{
  "hex": "#1c306e",
  "rgb": {
    "r": 28,
    "g": 48,
    "b": 110
  },
  "hsl": {
    "h": 225.366,
    "s": 59.42,
    "l": 27.059
  },
  "oklch": {
    "l": 0.33235,
    "c": 0.11067,
    "h": 266.8
  },
  "luminance": 0.03487
}

Semantic roles & 50–950 ramp

primary

#1C306E

secondary

#A38B43

accent

#BC45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1C306E

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

Preview Lab → · Contrast checker → · Palette generator →