#123958#123958

#123958 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.070 H 246.2°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#123958
RGB	rgb(18, 57, 88)
HSL	hsl(207, 66%, 21%)
HSV	hsv(207, 80%, 35%)
CMYK	cmyk(79.5%, 35.2%, 0%, 65.5%)
CIE-LAB	lab(22.86, -1.57, -22.55)
CIE-LCH	lch(22.86, 22.61, 266.02°)
OKLab	oklab(33.38% -0.0282 -0.064)
OKLCH	oklch(33.38% 0.07 246.2)
XYZ	xyz(3.4734, 3.7590, 9.7731)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123958 #583112

analogous

#125854 #123958 #121658

triadic

#123958 #581239 #395812

tetradic

#123958 #541258 #583112 #165812

square

#123958 #541258 #583112 #165812

split-complementary

#123958 #581216 #585412

monochromatic

#051019 #081825 #123958 #1C5A8B #277BBE

Accessibility & contrast

On white

11.99

#123958 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#123958 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123958

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123958	#FFFFFF	#000000	##FFFFFF
##123958	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3A59

Deuteranopia (green-blind)

#213457

Tritanopia (blue-blind)

#004044

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123958;
/* rgb */ color: rgb(18, 57, 88);
/* oklch */ color: oklch(33.4% 0.070 246.2);

Tailwind

colors: {
  custom: {
    50: '#5b6f87',
    500: '#123958',
    950: '#000000',
  },
}

SCSS

$custom: #123958;
$custom-light: #5b6f87;
$custom-dark: #000000;

JSON

{
  "hex": "#123958",
  "rgb": {
    "r": 18,
    "g": 57,
    "b": 88
  },
  "hsl": {
    "h": 206.571,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.33383,
    "c": 0.0699,
    "h": 246.2
  },
  "luminance": 0.03759
}

Semantic roles & 50–950 ramp

primary

#123958

secondary

#915E35

accent

#8A3FE9

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #123958

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

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