#123B64#123B64

#123B64 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.085 H 251.7°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#123B64
RGB	rgb(18, 59, 100)
HSL	hsl(210, 69%, 23%)
HSV	hsv(210, 82%, 39%)
CMYK	cmyk(82%, 41%, 0%, 60.8%)
CIE-LAB	lab(24.25, 2.07, -28.18)
CIE-LCH	lch(24.25, 28.26, 274.19°)
OKLab	oklab(34.71% -0.0266 -0.0804)
OKLCH	oklch(34.71% 0.085 251.7)
XYZ	xyz(4.1128, 4.1761, 12.6434)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B64 #643B12

analogous

#126464 #123B64 #121264

triadic

#123B64 #64123B #3B6412

tetradic

#123B64 #641264 #643B12 #126412

square

#123B64 #641264 #643B12 #126412

split-complementary

#123B64 #641212 #646412

monochromatic

#050F1A #091C30 #123B64 #1B5A98 #2578CC

Accessibility & contrast

On white

11.44

#123B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#123B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B64

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B64	#FFFFFF	#000000	##FFFFFF
##123B64	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283E66

Deuteranopia (green-blind)

#1B3663

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123b64;
/* rgb */ color: rgb(18, 59, 100);
/* oklch */ color: oklch(34.7% 0.085 251.7);

Tailwind

colors: {
  custom: {
    50: '#5e7090',
    500: '#123b64',
    950: '#000000',
  },
}

SCSS

$custom: #123b64;
$custom-light: #5e7090;
$custom-dark: #000000;

JSON

{
  "hex": "#123b64",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 100
  },
  "hsl": {
    "h": 210,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34705,
    "c": 0.0847,
    "h": 251.7
  },
  "luminance": 0.04177
}

Semantic roles & 50–950 ramp

primary

#123B64

secondary

#9C6936

accent

#943BEC

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #123B64

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

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