#123A51#123A51

#123A51 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.060 H 237.8°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#123A51
RGB	rgb(18, 58, 81)
HSL	hsl(202, 64%, 19%)
HSV	hsv(202, 78%, 32%)
CMYK	cmyk(77.8%, 28.4%, 0%, 68.2%)
CIE-LAB	lab(22.82, -5.10, -17.99)
CIE-LCH	lch(22.82, 18.70, 254.18°)
OKLab	oklab(33.23% -0.0319 -0.0507)
OKLCH	oklch(33.23% 0.06 237.8)
XYZ	xyz(3.2471, 3.7484, 8.3354)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A51 #512912

analogous

#125149 #123A51 #121B51

triadic

#123A51 #51123A #3A5112

tetradic

#123A51 #491251 #512912 #1B5112

square

#123A51 #491251 #512912 #1B5112

split-complementary

#123A51 #51121B #514912

monochromatic

#061219 #07161F #123A51 #1D5E83 #2882B5

Accessibility & contrast

On white

12.00

#123A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#123A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A51

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A51	#FFFFFF	#000000	##FFFFFF
##123A51	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A52

Deuteranopia (green-blind)

#273451

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123a51;
/* rgb */ color: rgb(18, 58, 81);
/* oklch */ color: oklch(33.2% 0.060 237.8);

Tailwind

colors: {
  custom: {
    50: '#5a7082',
    500: '#123a51',
    950: '#000000',
  },
}

SCSS

$custom: #123a51;
$custom-light: #5a7082;
$custom-dark: #000000;

JSON

{
  "hex": "#123a51",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 81
  },
  "hsl": {
    "h": 201.905,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.33229,
    "c": 0.05989,
    "h": 237.8
  },
  "luminance": 0.03749
}

Semantic roles & 50–950 ramp

primary

#123A51

secondary

#8A5435

accent

#7E41E7

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #123A51

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

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