#123B61#123B61

#123B61 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.080 H 250.0°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#123B61
RGB	rgb(18, 59, 97)
HSL	hsl(209, 69%, 23%)
HSV	hsv(209, 81%, 38%)
CMYK	cmyk(81.4%, 39.2%, 0%, 62%)
CIE-LAB	lab(24.06, 0.81, -26.53)
CIE-LCH	lch(24.06, 26.54, 271.74°)
OKLab	oklab(34.5% -0.0275 -0.0756)
OKLCH	oklch(34.5% 0.08 250)
XYZ	xyz(3.9703, 4.1191, 11.8928)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B61 #613812

analogous

#126160 #123B61 #121361

triadic

#123B61 #61123B #3B6112

tetradic

#123B61 #601261 #613812 #136112

square

#123B61 #601261 #613812 #136112

split-complementary

#123B61 #611213 #616012

monochromatic

#05101A #081C2D #123B61 #1C5A95 #257AC8

Accessibility & contrast

On white

11.51

#123B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#123B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B61

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B61	#FFFFFF	#000000	##FFFFFF
##123B61	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293D63

Deuteranopia (green-blind)

#1D3660

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123b61;
/* rgb */ color: rgb(18, 59, 97);
/* oklch */ color: oklch(34.5% 0.080 250.0);

Tailwind

colors: {
  custom: {
    50: '#5d708e',
    500: '#123b61',
    950: '#000000',
  },
}

SCSS

$custom: #123b61;
$custom-light: #5d708e;
$custom-dark: #000000;

JSON

{
  "hex": "#123b61",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 97
  },
  "hsl": {
    "h": 208.861,
    "s": 68.696,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34501,
    "c": 0.08041,
    "h": 250
  },
  "luminance": 0.0412
}

Semantic roles & 50–950 ramp

primary

#123B61

secondary

#996636

accent

#913CEC

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #123B61

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

Preview Lab → · Contrast checker → · Palette generator →