#123F61#123F61

#123F61 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.076 H 245.5°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#123F61
RGB	rgb(18, 63, 97)
HSL	hsl(206, 69%, 23%)
HSV	hsv(206, 81%, 38%)
CMYK	cmyk(81.4%, 35.1%, 0%, 62%)
CIE-LAB	lab(25.40, -1.91, -24.41)
CIE-LCH	lch(25.40, 24.49, 265.53°)
OKLab	oklab(35.55% -0.0316 -0.0693)
OKLCH	oklch(35.55% 0.076 245.5)
XYZ	xyz(4.1838, 4.5462, 11.9639)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F61 #613412

analogous

#12615C #123F61 #121761

triadic

#123F61 #61123F #3F6112

tetradic

#123F61 #5C1261 #613412 #176112

square

#123F61 #5C1261 #613412 #176112

split-complementary

#123F61 #611217 #615C12

monochromatic

#05111A #081D2D #123F61 #1C6195 #2582C8

Accessibility & contrast

On white

11.00

#123F61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#123F61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F61

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F61	#FFFFFF	#000000	##FFFFFF
##123F61	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4062

Deuteranopia (green-blind)

#243960

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123f61;
/* rgb */ color: rgb(18, 63, 97);
/* oklch */ color: oklch(35.6% 0.076 245.5);

Tailwind

colors: {
  custom: {
    50: '#5d738e',
    500: '#123f61',
    950: '#000000',
  },
}

SCSS

$custom: #123f61;
$custom-light: #5d738e;
$custom-dark: #000000;

JSON

{
  "hex": "#123f61",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 97
  },
  "hsl": {
    "h": 205.823,
    "s": 68.696,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35554,
    "c": 0.07619,
    "h": 245.5
  },
  "luminance": 0.04547
}

Semantic roles & 50–950 ramp

primary

#123F61

secondary

#996036

accent

#883CEC

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #123F61

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

Preview Lab → · Contrast checker → · Palette generator →