#123EA0#123EA0

#123EA0 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.166 H 262.9°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#123EA0
RGB	rgb(18, 62, 160)
HSL	hsl(221, 80%, 35%)
HSV	hsv(221, 89%, 63%)
CMYK	cmyk(88.8%, 61.2%, 0%, 37.3%)
CIE-LAB	lab(29.69, 25.02, -56.90)
CIE-LCH	lch(29.69, 62.16, 293.74°)
OKLab	oklab(40.3% -0.0204 -0.1647)
OKLCH	oklch(40.3% 0.166 262.9)
XYZ	xyz(8.3150, 6.1108, 33.9922)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123EA0 #A07412

analogous

#1285A0 #123EA0 #2D12A0

triadic

#123EA0 #A0123E #3EA012

tetradic

#123EA0 #A01285 #A07412 #12A02D

square

#123EA0 #A01285 #A07412 #12A02D

split-complementary

#123EA0 #A02D12 #85A012

monochromatic

#061332 #0C2969 #123EA0 #1853D7 #4376EA

Accessibility & contrast

On white

9.45

#123EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#123EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123EA0

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123EA0	#FFFFFF	#000000	##FFFFFF
##123EA0	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #123ea0;
/* rgb */ color: rgb(18, 62, 160);
/* oklch */ color: oklch(40.3% 0.166 262.9);

Tailwind

colors: {
  custom: {
    50: '#6e72bd',
    500: '#123ea0',
    950: '#000000',
  },
}

SCSS

$custom: #123ea0;
$custom-light: #6e72bd;
$custom-dark: #000000;

JSON

{
  "hex": "#123ea0",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 160
  },
  "hsl": {
    "h": 221.408,
    "s": 79.775,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40301,
    "c": 0.166,
    "h": 262.9
  },
  "luminance": 0.06112
}

Semantic roles & 50–950 ramp

primary

#123EA0

secondary

#CAA044

accent

#B932F6

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #123EA0

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

Preview Lab → · Contrast checker → · Palette generator →