#123971#123971

#123971 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.2% C 0.106 H 258.2°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#123971
RGB	rgb(18, 57, 113)
HSL	hsl(215, 73%, 26%)
HSV	hsv(215, 84%, 44%)
CMYK	cmyk(84.1%, 49.6%, 0%, 55.7%)
CIE-LAB	lab(24.47, 8.98, -36.18)
CIE-LCH	lch(24.47, 37.28, 283.94°)
OKLab	oklab(35.16% -0.0218 -0.104)
OKLCH	oklch(35.16% 0.106 258.2)
XYZ	xyz(4.6921, 4.2465, 16.1920)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123971 #714A12

analogous

#126871 #123971 #1A1271

triadic

#123971 #711239 #397112

tetradic

#123971 #711268 #714A12 #12711A

square

#123971 #711268 #714A12 #12711A

split-complementary

#123971 #711A12 #687112

monochromatic

#040D1A #0A1E3C #123971 #1A54A6 #236EDB

Accessibility & contrast

On white

11.36

#123971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#123971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123971

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123971	#FFFFFF	#000000	##FFFFFF
##123971	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3F73

Deuteranopia (green-blind)

#003670

Tritanopia (blue-blind)

#00464F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123971;
/* rgb */ color: rgb(18, 57, 113);
/* oklch */ color: oklch(35.2% 0.106 258.2);

Tailwind

colors: {
  custom: {
    50: '#616e9a',
    500: '#123971',
    950: '#000000',
  },
}

SCSS

$custom: #123971;
$custom-light: #616e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#123971",
  "rgb": {
    "r": 18,
    "g": 57,
    "b": 113
  },
  "hsl": {
    "h": 215.368,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35161,
    "c": 0.10623,
    "h": 258.2
  },
  "luminance": 0.04247
}

Semantic roles & 50–950 ramp

primary

#123971

secondary

#A87A37

accent

#A439EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123971

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

Preview Lab → · Contrast checker → · Palette generator →