#123166#123166

#123166 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.4% C 0.100 H 260.4°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#123166
RGB	rgb(18, 49, 102)
HSL	hsl(218, 70%, 24%)
HSV	hsv(218, 82%, 40%)
CMYK	cmyk(82.4%, 52%, 0%, 60%)
CIE-LAB	lab(21.15, 10.02, -34.45)
CIE-LCH	lch(21.15, 35.87, 286.23°)
OKLab	oklab(32.35% -0.0167 -0.099)
OKLCH	oklch(32.35% 0.1 260.4)
XYZ	xyz(3.7452, 3.2841, 13.0043)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123166 #664712

analogous

#125B66 #123166 #1D1266

triadic

#123166 #661231 #316612

tetradic

#123166 #66125B #664712 #12661D

square

#123166 #66125B #664712 #12661D

split-complementary

#123166 #661D12 #5B6612

monochromatic

#050C1A #091832 #123166 #1B4A9A #2463CE

Accessibility & contrast

On white

12.67

#123166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#123166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123166

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123166	#FFFFFF	#000000	##FFFFFF
##123166	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123768

Deuteranopia (green-blind)

#002F65

Tritanopia (blue-blind)

#003E46

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #123166;
/* rgb */ color: rgb(18, 49, 102);
/* oklch */ color: oklch(32.4% 0.100 260.4);

Tailwind

colors: {
  custom: {
    50: '#5f6892',
    500: '#123166',
    950: '#000000',
  },
}

SCSS

$custom: #123166;
$custom-light: #5f6892;
$custom-dark: #000000;

JSON

{
  "hex": "#123166",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 102
  },
  "hsl": {
    "h": 217.857,
    "s": 70,
    "l": 23.529
  },
  "oklch": {
    "l": 0.3235,
    "c": 0.10043,
    "h": 260.4
  },
  "luminance": 0.03285
}

Semantic roles & 50–950 ramp

primary

#123166

secondary

#9E7736

accent

#AB3BED

background

#F5F6F9

surface

#EAEBF1

border

#C6C6CB

text

#05060D

muted

#797A7E

Preview Lab

Preview with #123166

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

Preview Lab → · Contrast checker → · Palette generator →