#123B7A#123B7A

#123B7A is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.117 H 259.2°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#123B7A
RGB	rgb(18, 59, 122)
HSL	hsl(216, 74%, 27%)
HSV	hsv(216, 85%, 48%)
CMYK	cmyk(85.2%, 51.6%, 0%, 52.2%)
CIE-LAB	lab(25.75, 11.38, -39.84)
CIE-LCH	lch(25.75, 41.43, 285.94°)
OKLab	oklab(36.35% -0.0219 -0.1147)
OKLCH	oklch(36.35% 0.117 259.2)
XYZ	xyz(5.3250, 4.6610, 19.0276)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B7A #7A5112

analogous

#126F7A #123B7A #1D127A

triadic

#123B7A #7A123B #3B7A12

tetradic

#123B7A #7A126F #7A5112 #127A1D

square

#123B7A #7A126F #7A5112 #127A1D

split-complementary

#123B7A #7A1D12 #6F7A12

monochromatic

#040D1B #0A2145 #123B7A #1A55AF #2770DF

Accessibility & contrast

On white

10.87

#123B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#123B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B7A

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B7A	#FFFFFF	#000000	##FFFFFF
##123B7A	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14427C

Deuteranopia (green-blind)

#003979

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #123b7a;
/* rgb */ color: rgb(18, 59, 122);
/* oklch */ color: oklch(36.4% 0.117 259.2);

Tailwind

colors: {
  custom: {
    50: '#6470a1',
    500: '#123b7a',
    950: '#000000',
  },
}

SCSS

$custom: #123b7a;
$custom-light: #6470a1;
$custom-dark: #000000;

JSON

{
  "hex": "#123b7a",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 122
  },
  "hsl": {
    "h": 216.346,
    "s": 74.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36351,
    "c": 0.11675,
    "h": 259.2
  },
  "luminance": 0.04662
}

Semantic roles & 50–950 ramp

primary

#123B7A

secondary

#B08138

accent

#A837F1

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070F

muted

#7A7A7E

Preview Lab

Preview with #123B7A

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

Preview Lab → · Contrast checker → · Palette generator →