#123CA0#123CA0

#123CA0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.168 H 263.4°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#123CA0
RGB	rgb(18, 60, 160)
HSL	hsl(222, 80%, 35%)
HSV	hsv(222, 89%, 63%)
CMYK	cmyk(88.8%, 62.5%, 0%, 37.3%)
CIE-LAB	lab(29.15, 26.39, -57.78)
CIE-LCH	lch(29.15, 63.52, 294.55°)
OKLab	oklab(39.9% -0.0194 -0.1673)
OKLCH	oklch(39.9% 0.168 263.4)
XYZ	xyz(8.2082, 5.8973, 33.9566)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123CA0 #A07612

analogous

#1283A0 #123CA0 #2F12A0

triadic

#123CA0 #A0123C #3CA012

tetradic

#123CA0 #A01283 #A07612 #12A02F

square

#123CA0 #A01283 #A07612 #12A02F

split-complementary

#123CA0 #A02F12 #83A012

monochromatic

#061332 #0C2769 #123CA0 #1851D7 #4374EA

Accessibility & contrast

On white

9.63

#123CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#123CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123CA0

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123CA0	#FFFFFF	#000000	##FFFFFF
##123CA0	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#003E9E

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #123ca0;
/* rgb */ color: rgb(18, 60, 160);
/* oklch */ color: oklch(39.9% 0.168 263.4);

Tailwind

colors: {
  custom: {
    50: '#6e71bd',
    500: '#123ca0',
    950: '#000000',
  },
}

SCSS

$custom: #123ca0;
$custom-light: #6e71bd;
$custom-dark: #000000;

JSON

{
  "hex": "#123ca0",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 160
  },
  "hsl": {
    "h": 222.254,
    "s": 79.775,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39899,
    "c": 0.16847,
    "h": 263.4
  },
  "luminance": 0.05898
}

Semantic roles & 50–950 ramp

primary

#123CA0

secondary

#CAA244

accent

#BC32F6

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #123CA0

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

Preview Lab → · Contrast checker → · Palette generator →