#12487F#12487F

#12487F is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.9% C 0.108 H 252.8°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#12487F
RGB	rgb(18, 72, 127)
HSL	hsl(210, 75%, 28%)
HSV	hsv(210, 86%, 50%)
CMYK	cmyk(85.8%, 43.3%, 0%, 50.2%)
CIE-LAB	lab(30.14, 4.48, -35.91)
CIE-LCH	lch(30.14, 36.19, 277.11°)
OKLab	oklab(39.86% -0.0317 -0.1028)
OKLCH	oklch(39.86% 0.108 252.8)
XYZ	xyz(6.3961, 6.2948, 20.9525)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12487F #7F4912

analogous

#127E7F #12487F #12127F

triadic

#12487F #7F1248 #487F12

tetradic

#12487F #7F127E #7F4912 #127F12

square

#12487F #7F127E #7F4912 #127F12

split-complementary

#12487F #7F1212 #7E7F12

monochromatic

#040F1B #0A2A49 #12487F #1A66B5 #2B85E1

Accessibility & contrast

On white

9.30

#12487F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#12487F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12487F

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12487F	#FFFFFF	#000000	##FFFFFF
##12487F	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4C81

Deuteranopia (green-blind)

#19437E

Tritanopia (blue-blind)

#00555D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #12487f;
/* rgb */ color: rgb(18, 72, 127);
/* oklch */ color: oklch(39.9% 0.108 252.8);

Tailwind

colors: {
  custom: {
    50: '#647aa4',
    500: '#12487f',
    950: '#000000',
  },
}

SCSS

$custom: #12487f;
$custom-light: #647aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#12487f",
  "rgb": {
    "r": 18,
    "g": 72,
    "b": 127
  },
  "hsl": {
    "h": 210.275,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39862,
    "c": 0.10761,
    "h": 252.8
  },
  "luminance": 0.06296
}

Semantic roles & 50–950 ramp

primary

#12487F

secondary

#B57738

accent

#9536F2

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #12487F

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

Preview Lab → · Contrast checker → · Palette generator →