#123771#123771

#123771 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.7% C 0.109 H 259.4°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#123771
RGB	rgb(18, 55, 113)
HSL	hsl(217, 73%, 26%)
HSV	hsv(217, 84%, 44%)
CMYK	cmyk(84.1%, 51.3%, 0%, 55.7%)
CIE-LAB	lab(23.84, 10.40, -37.19)
CIE-LCH	lch(23.84, 38.62, 285.63°)
OKLab	oklab(34.68% -0.0201 -0.107)
OKLCH	oklch(34.68% 0.109 259.4)
XYZ	xyz(4.5952, 4.0527, 16.1596)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123771 #714C12

analogous

#126671 #123771 #1D1271

triadic

#123771 #711237 #377112

tetradic

#123771 #711266 #714C12 #12711D

square

#123771 #711266 #714C12 #12711D

split-complementary

#123771 #711D12 #667112

monochromatic

#040D1A #0A1D3C #123771 #1A51A6 #236ADB

Accessibility & contrast

On white

11.60

#123771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#123771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123771

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123771	#FFFFFF	#000000	##FFFFFF
##123771	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153D73

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123771;
/* rgb */ color: rgb(18, 55, 113);
/* oklch */ color: oklch(34.7% 0.109 259.4);

Tailwind

colors: {
  custom: {
    50: '#616d9a',
    500: '#123771',
    950: '#000000',
  },
}

SCSS

$custom: #123771;
$custom-light: #616d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#123771",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 113
  },
  "hsl": {
    "h": 216.632,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3468,
    "c": 0.10885,
    "h": 259.4
  },
  "luminance": 0.04053
}

Semantic roles & 50–950 ramp

primary

#123771

secondary

#A87C37

accent

#A839EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123771

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

Preview Lab → · Contrast checker → · Palette generator →