#123A90#123A90

#123A90 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.149 H 262.7°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#123A90
RGB	rgb(18, 58, 144)
HSL	hsl(221, 78%, 32%)
HSV	hsv(221, 88%, 56%)
CMYK	cmyk(87.5%, 59.7%, 0%, 43.5%)
CIE-LAB	lab(27.21, 21.28, -51.19)
CIE-LCH	lch(27.21, 55.43, 292.57°)
OKLab	oklab(38.01% -0.0189 -0.1481)
OKLCH	oklch(38.01% 0.149 262.7)
XYZ	xyz(6.7947, 5.1675, 27.0194)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A90 #906812

analogous

#127990 #123A90 #291290

triadic

#123A90 #90123A #3A9012

tetradic

#123A90 #901279 #906812 #129029

square

#123A90 #901279 #906812 #129029

split-complementary

#123A90 #902912 #799012

monochromatic

#040E23 #0B245A #123A90 #1950C6 #366EE6

Accessibility & contrast

On white

10.33

#123A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#123A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A90

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A90	#FFFFFF	#000000	##FFFFFF
##123A90	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004693

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #123a90;
/* rgb */ color: rgb(18, 58, 144);
/* oklch */ color: oklch(38.0% 0.149 262.7);

Tailwind

colors: {
  custom: {
    50: '#6a6fb1',
    500: '#123a90',
    950: '#000000',
  },
}

SCSS

$custom: #123a90;
$custom-light: #6a6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#123a90",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 220.952,
    "s": 77.778,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38011,
    "c": 0.14926,
    "h": 262.7
  },
  "luminance": 0.05168
}

Semantic roles & 50–950 ramp

primary

#123A90

secondary

#C4983A

accent

#B734F4

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #123A90

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

Preview Lab → · Contrast checker → · Palette generator →