#123157#123157

#123157 is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.2% C 0.078 H 255.1°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#123157
RGB	rgb(18, 49, 87)
HSL	hsl(213, 66%, 21%)
HSV	hsv(213, 79%, 34%)
CMYK	cmyk(79.3%, 43.7%, 0%, 65.9%)
CIE-LAB	lab(20.10, 3.60, -26.27)
CIE-LCH	lch(20.10, 26.51, 277.81°)
OKLab	oklab(31.2% -0.0199 -0.075)
OKLCH	oklch(31.2% 0.078 255.1)
XYZ	xyz(3.0674, 3.0130, 9.4349)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123157 #573812

analogous

#125357 #123157 #151257

triadic

#123157 #571231 #315712

tetradic

#123157 #571253 #573812 #125715

square

#123157 #571253 #573812 #125715

split-complementary

#123157 #571512 #535712

monochromatic

#050E19 #081424 #123157 #1C4E8A #276ABC

Accessibility & contrast

On white

13.10

#123157 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#123157 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123157

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123157	#FFFFFF	#000000	##FFFFFF
##123157	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3459

Deuteranopia (green-blind)

#142E56

Tritanopia (blue-blind)

#003A3F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #123157;
/* rgb */ color: rgb(18, 49, 87);
/* oklch */ color: oklch(31.2% 0.078 255.1);

Tailwind

colors: {
  custom: {
    50: '#5b6886',
    500: '#123157',
    950: '#000000',
  },
}

SCSS

$custom: #123157;
$custom-light: #5b6886;
$custom-dark: #000000;

JSON

{
  "hex": "#123157",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 87
  },
  "hsl": {
    "h": 213.043,
    "s": 65.714,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31199,
    "c": 0.07757,
    "h": 255.1
  },
  "luminance": 0.03013
}

Semantic roles & 50–950 ramp

primary

#123157

secondary

#906735

accent

#9C3FE9

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123157

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

Preview Lab → · Contrast checker → · Palette generator →