#123A75#123A75

#123A75 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.7% C 0.111 H 258.6°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#123A75
RGB	rgb(18, 58, 117)
HSL	hsl(216, 73%, 26%)
HSV	hsv(216, 85%, 46%)
CMYK	cmyk(84.6%, 50.4%, 0%, 54.1%)
CIE-LAB	lab(25.07, 9.97, -37.76)
CIE-LCH	lch(25.07, 39.06, 284.79°)
OKLab	oklab(35.72% -0.0219 -0.1086)
OKLCH	oklch(35.72% 0.111 258.6)
XYZ	xyz(4.9722, 4.4385, 17.4208)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A75 #754D12

analogous

#126C75 #123A75 #1C1275

triadic

#123A75 #75123A #3A7512

tetradic

#123A75 #75126C #754D12 #12751C

square

#123A75 #75126C #754D12 #12751C

split-complementary

#123A75 #751C12 #6C7512

monochromatic

#040D1B #0A2040 #123A75 #1A54AA #246FDD

Accessibility & contrast

On white

11.12

#123A75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#123A75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A75

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A75	#FFFFFF	#000000	##FFFFFF
##123A75	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184077

Deuteranopia (green-blind)

#003774

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #123a75;
/* rgb */ color: rgb(18, 58, 117);
/* oklch */ color: oklch(35.7% 0.111 258.6);

Tailwind

colors: {
  custom: {
    50: '#626f9d',
    500: '#123a75',
    950: '#000000',
  },
}

SCSS

$custom: #123a75;
$custom-light: #626f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#123a75",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 117
  },
  "hsl": {
    "h": 215.758,
    "s": 73.333,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35715,
    "c": 0.11078,
    "h": 258.6
  },
  "luminance": 0.04439
}

Semantic roles & 50–950 ramp

primary

#123A75

secondary

#AC7D37

accent

#A638F0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123A75

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

Preview Lab → · Contrast checker → · Palette generator →