#123B65#123B65

#123B65 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.086 H 252.2°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#123B65
RGB	rgb(18, 59, 101)
HSL	hsl(210, 70%, 23%)
HSV	hsv(210, 82%, 40%)
CMYK	cmyk(82.2%, 41.6%, 0%, 60.4%)
CIE-LAB	lab(24.31, 2.49, -28.73)
CIE-LCH	lch(24.31, 28.84, 274.95°)
OKLab	oklab(34.77% -0.0264 -0.082)
OKLCH	oklch(34.77% 0.086 252.2)
XYZ	xyz(4.1615, 4.1956, 12.8999)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B65 #653C12

analogous

#126465 #123B65 #121265

triadic

#123B65 #65123B #3B6512

tetradic

#123B65 #651264 #653C12 #126512

square

#123B65 #651264 #653C12 #126512

split-complementary

#123B65 #651212 #646512

monochromatic

#050F1A #091D31 #123B65 #1B5999 #2578CD

Accessibility & contrast

On white

11.42

#123B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#123B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B65

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B65	#FFFFFF	#000000	##FFFFFF
##123B65	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273E67

Deuteranopia (green-blind)

#1A3664

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123b65;
/* rgb */ color: rgb(18, 59, 101);
/* oklch */ color: oklch(34.8% 0.086 252.2);

Tailwind

colors: {
  custom: {
    50: '#5e7091',
    500: '#123b65',
    950: '#000000',
  },
}

SCSS

$custom: #123b65;
$custom-light: #5e7091;
$custom-dark: #000000;

JSON

{
  "hex": "#123b65",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 101
  },
  "hsl": {
    "h": 210.361,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34774,
    "c": 0.08615,
    "h": 252.2
  },
  "luminance": 0.04196
}

Semantic roles & 50–950 ramp

primary

#123B65

secondary

#9D6A36

accent

#953BED

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070D

muted

#797A7D

Preview Lab

Preview with #123B65

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

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