#12487E#12487E

#12487E is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.8% C 0.106 H 252.5°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#12487E
RGB	rgb(18, 72, 126)
HSL	hsl(210, 75%, 28%)
HSV	hsv(210, 86%, 49%)
CMYK	cmyk(85.7%, 42.9%, 0%, 50.6%)
CIE-LAB	lab(30.08, 4.06, -35.39)
CIE-LCH	lch(30.08, 35.62, 276.55°)
OKLab	oklab(39.79% -0.032 -0.1013)
OKLCH	oklch(39.79% 0.106 252.5)
XYZ	xyz(6.3313, 6.2689, 20.6109)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12487E #7E4812

analogous

#127E7E #12487E #12127E

triadic

#12487E #7E1248 #487E12

tetradic

#12487E #7E127E #7E4812 #127E12

square

#12487E #7E127E #7E4812 #127E12

split-complementary

#12487E #7E1212 #7E7E12

monochromatic

#040F1B #0A2948 #12487E #1A67B4 #2A85E1

Accessibility & contrast

On white

9.32

#12487E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#12487E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12487E

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12487E	#FFFFFF	#000000	##FFFFFF
##12487E	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4C80

Deuteranopia (green-blind)

#1A427D

Tritanopia (blue-blind)

#00555C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #12487e;
/* rgb */ color: rgb(18, 72, 126);
/* oklch */ color: oklch(39.8% 0.106 252.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#12487e",
  "rgb": {
    "r": 18,
    "g": 72,
    "b": 126
  },
  "hsl": {
    "h": 210,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.39792,
    "c": 0.10622,
    "h": 252.5
  },
  "luminance": 0.0627
}

Semantic roles & 50–950 ramp

primary

#12487E

secondary

#B47638

accent

#9436F2

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #12487E

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

Preview Lab → · Contrast checker → · Palette generator →