#123A71#123A71

#123A71 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.4% C 0.105 H 257.5°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#123A71
RGB	rgb(18, 58, 113)
HSL	hsl(215, 73%, 26%)
HSV	hsv(215, 84%, 44%)
CMYK	cmyk(84.1%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(24.79, 8.27, -35.68)
CIE-LCH	lch(24.79, 36.62, 283.05°)
OKLab	oklab(35.4% -0.0226 -0.1025)
OKLCH	oklch(35.4% 0.105 257.5)
XYZ	xyz(4.7420, 4.3464, 16.2086)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A71 #714912

analogous

#126971 #123A71 #1A1271

triadic

#123A71 #71123A #3A7112

tetradic

#123A71 #711269 #714912 #12711A

square

#123A71 #711269 #714912 #12711A

split-complementary

#123A71 #711A12 #697112

monochromatic

#040E1A #0A1F3C #123A71 #1A55A6 #2370DB

Accessibility & contrast

On white

11.23

#123A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#123A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A71

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A71	#FFFFFF	#000000	##FFFFFF
##123A71	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3F73

Deuteranopia (green-blind)

#033770

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #123a71;
/* rgb */ color: rgb(18, 58, 113);
/* oklch */ color: oklch(35.4% 0.105 257.5);

Tailwind

colors: {
  custom: {
    50: '#616f9a',
    500: '#123a71',
    950: '#000000',
  },
}

SCSS

$custom: #123a71;
$custom-light: #616f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#123a71",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 214.737,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35403,
    "c": 0.10493,
    "h": 257.5
  },
  "luminance": 0.04347
}

Semantic roles & 50–950 ramp

primary

#123A71

secondary

#A87837

accent

#A239EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123A71

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

Preview Lab → · Contrast checker → · Palette generator →