#123EA1#123EA1

#123EA1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.167 H 263.0°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#123EA1
RGB	rgb(18, 62, 161)
HSL	hsl(222, 80%, 35%)
HSV	hsv(222, 89%, 63%)
CMYK	cmyk(88.8%, 61.5%, 0%, 36.9%)
CIE-LAB	lab(29.78, 25.42, -57.36)
CIE-LCH	lch(29.78, 62.74, 293.90°)
OKLab	oklab(40.39% -0.0203 -0.1661)
OKLCH	oklch(40.39% 0.167 263)
XYZ	xyz(8.4028, 6.1460, 34.4547)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123EA1 #A17512

analogous

#1286A1 #123EA1 #2D12A1

triadic

#123EA1 #A1123E #3EA112

tetradic

#123EA1 #A11286 #A17512 #12A12D

square

#123EA1 #A11286 #A17512 #12A12D

split-complementary

#123EA1 #A12D12 #86A112

monochromatic

#061433 #0C296A #123EA1 #1853D8 #4377EA

Accessibility & contrast

On white

9.42

#123EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#123EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123EA1

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123EA1	#FFFFFF	#000000	##FFFFFF
##123EA1	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #123ea1;
/* rgb */ color: rgb(18, 62, 161);
/* oklch */ color: oklch(40.4% 0.167 263.0);

Tailwind

colors: {
  custom: {
    50: '#6e72be',
    500: '#123ea1',
    950: '#000000',
  },
}

SCSS

$custom: #123ea1;
$custom-light: #6e72be;
$custom-dark: #000000;

JSON

{
  "hex": "#123ea1",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 161
  },
  "hsl": {
    "h": 221.538,
    "s": 79.888,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40393,
    "c": 0.16733,
    "h": 263
  },
  "luminance": 0.06147
}

Semantic roles & 50–950 ramp

primary

#123EA1

secondary

#CAA145

accent

#BA31F6

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #123EA1

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

Preview Lab → · Contrast checker → · Palette generator →