#12356E#12356E

#12356E is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.107 H 259.8°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#12356E
RGB	rgb(18, 53, 110)
HSL	hsl(217, 72%, 25%)
HSV	hsv(217, 84%, 43%)
CMYK	cmyk(83.6%, 51.8%, 0%, 56.9%)
CIE-LAB	lab(23.00, 10.56, -36.63)
CIE-LCH	lch(23.00, 38.12, 286.08°)
OKLab	oklab(33.96% -0.0189 -0.1054)
OKLCH	oklch(33.96% 0.107 259.8)
XYZ	xyz(4.3360, 3.8001, 15.2538)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12356E #6E4B12

analogous

#12636E #12356E #1D126E

triadic

#12356E #6E1235 #356E12

tetradic

#12356E #6E1263 #6E4B12 #126E1D

square

#12356E #6E1263 #6E4B12 #126E1D

split-complementary

#12356E #6E1D12 #636E12

monochromatic

#040D1A #091C39 #12356E #1B4EA3 #2368D7

Accessibility & contrast

On white

11.93

#12356E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#12356E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12356E

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12356E	#FFFFFF	#000000	##FFFFFF
##12356E	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133B70

Deuteranopia (green-blind)

#00336D

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #12356e;
/* rgb */ color: rgb(18, 53, 110);
/* oklch */ color: oklch(34.0% 0.107 259.8);

Tailwind

colors: {
  custom: {
    50: '#616b98',
    500: '#12356e',
    950: '#000000',
  },
}

SCSS

$custom: #12356e;
$custom-light: #616b98;
$custom-dark: #000000;

JSON

{
  "hex": "#12356e",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 110
  },
  "hsl": {
    "h": 217.174,
    "s": 71.875,
    "l": 25.098
  },
  "oklch": {
    "l": 0.3396,
    "c": 0.10706,
    "h": 259.8
  },
  "luminance": 0.03801
}

Semantic roles & 50–950 ramp

primary

#12356E

secondary

#A57B37

accent

#AA39EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #12356E

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

Preview Lab → · Contrast checker → · Palette generator →