#123B74#123B74

#123B74 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.9% C 0.108 H 257.7°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#123B74
RGB	rgb(18, 59, 116)
HSL	hsl(215, 73%, 26%)
HSV	hsv(215, 84%, 45%)
CMYK	cmyk(84.5%, 49.1%, 0%, 54.5%)
CIE-LAB	lab(25.31, 8.84, -36.74)
CIE-LCH	lch(25.31, 37.79, 283.52°)
OKLab	oklab(35.88% -0.0229 -0.1056)
OKLCH	oklch(35.88% 0.108 257.7)
XYZ	xyz(4.9646, 4.5169, 17.1298)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B74 #744B12

analogous

#126C74 #123B74 #1A1274

triadic

#123B74 #74123B #3B7412

tetradic

#123B74 #74126C #744B12 #12741A

square

#123B74 #74126C #744B12 #12741A

split-complementary

#123B74 #741A12 #6C7412

monochromatic

#040D1A #0A203F #123B74 #1A56A9 #2371DD

Accessibility & contrast

On white

11.03

#123B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#123B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B74

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B74	#FFFFFF	#000000	##FFFFFF
##123B74	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4176

Deuteranopia (green-blind)

#003873

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123b74;
/* rgb */ color: rgb(18, 59, 116);
/* oklch */ color: oklch(35.9% 0.108 257.7);

Tailwind

colors: {
  custom: {
    50: '#62709c',
    500: '#123b74',
    950: '#000000',
  },
}

SCSS

$custom: #123b74;
$custom-light: #62709c;
$custom-dark: #000000;

JSON

{
  "hex": "#123b74",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 116
  },
  "hsl": {
    "h": 214.898,
    "s": 73.134,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35877,
    "c": 0.10802,
    "h": 257.7
  },
  "luminance": 0.04517
}

Semantic roles & 50–950 ramp

primary

#123B74

secondary

#AB7A37

accent

#A338F0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123B74

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

Preview Lab → · Contrast checker → · Palette generator →