#123A72#123A72

#123A72 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.5% C 0.106 H 257.8°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#123A72
RGB	rgb(18, 58, 114)
HSL	hsl(215, 73%, 26%)
HSV	hsv(215, 84%, 45%)
CMYK	cmyk(84.2%, 49.1%, 0%, 55.3%)
CIE-LAB	lab(24.86, 8.70, -36.20)
CIE-LCH	lch(24.86, 37.23, 283.51°)
OKLab	oklab(35.48% -0.0224 -0.104)
OKLCH	oklch(35.48% 0.106 257.8)
XYZ	xyz(4.7987, 4.3690, 16.5067)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A72 #724A12

analogous

#126A72 #123A72 #1A1272

triadic

#123A72 #72123A #3A7212

tetradic

#123A72 #72126A #724A12 #12721A

square

#123A72 #72126A #724A12 #12721A

split-complementary

#123A72 #721A12 #6A7212

monochromatic

#040D1A #0A1F3D #123A72 #1A55A7 #2370DC

Accessibility & contrast

On white

11.21

#123A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#123A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A72

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A72	#FFFFFF	#000000	##FFFFFF
##123A72	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4074

Deuteranopia (green-blind)

#013771

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #123a72;
/* rgb */ color: rgb(18, 58, 114);
/* oklch */ color: oklch(35.5% 0.106 257.8);

Tailwind

colors: {
  custom: {
    50: '#616f9b',
    500: '#123a72',
    950: '#000000',
  },
}

SCSS

$custom: #123a72;
$custom-light: #616f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#123a72",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 114
  },
  "hsl": {
    "h": 215,
    "s": 72.727,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3548,
    "c": 0.1064,
    "h": 257.8
  },
  "luminance": 0.0437
}

Semantic roles & 50–950 ramp

primary

#123A72

secondary

#A97937

accent

#A338EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123A72

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

Preview Lab → · Contrast checker → · Palette generator →