#12317D#12317D

#12317D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.134 H 263.8°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#12317D
RGB	rgb(18, 49, 125)
HSL	hsl(223, 75%, 28%)
HSV	hsv(223, 86%, 49%)
CMYK	cmyk(85.6%, 60.8%, 0%, 51%)
CIE-LAB	lab(23.02, 19.77, -46.17)
CIE-LCH	lch(23.02, 50.22, 293.18°)
OKLab	oklab(34.36% -0.0144 -0.1335)
OKLCH	oklch(34.36% 0.134 263.8)
XYZ	xyz(5.0481, 3.8053, 19.8665)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12317D #7D5E12

analogous

#12667D #12317D #29127D

triadic

#12317D #7D1231 #317D12

tetradic

#12317D #7D1266 #7D5E12 #127D29

square

#12317D #7D1266 #7D5E12 #127D29

split-complementary

#12317D #7D2912 #667D12

monochromatic

#040A1B #0A1C48 #12317D #1A46B2 #295EE0

Accessibility & contrast

On white

11.92

#12317D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#12317D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12317D

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12317D	#FFFFFF	#000000	##FFFFFF
##12317D	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C80

Deuteranopia (green-blind)

#00327C

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #12317d;
/* rgb */ color: rgb(18, 49, 125);
/* oklch */ color: oklch(34.4% 0.134 263.8);

Tailwind

colors: {
  custom: {
    50: '#6568a3',
    500: '#12317d',
    950: '#000000',
  },
}

SCSS

$custom: #12317d;
$custom-light: #6568a3;
$custom-dark: #000000;

JSON

{
  "hex": "#12317d",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 125
  },
  "hsl": {
    "h": 222.617,
    "s": 74.825,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34356,
    "c": 0.13425,
    "h": 263.8
  },
  "luminance": 0.03806
}

Semantic roles & 50–950 ramp

primary

#12317D

secondary

#B38F38

accent

#BB36F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #12317D

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

Preview Lab → · Contrast checker → · Palette generator →