#12508F#12508F

#12508F is a dark, vivid cyan. Relative luminance 0.078; OKLCH L 42.9% C 0.120 H 253.2°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#12508F
RGB	rgb(18, 80, 143)
HSL	hsl(210, 78%, 32%)
HSV	hsv(210, 87%, 56%)
CMYK	cmyk(87.4%, 44.1%, 0%, 43.9%)
CIE-LAB	lab(33.66, 5.73, -40.13)
CIE-LCH	lch(33.66, 40.54, 278.12°)
OKLab	oklab(42.93% -0.0348 -0.1151)
OKLCH	oklch(42.93% 0.12 253.2)
XYZ	xyz(8.0742, 7.8481, 27.0705)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12508F #8F5112

analogous

#128F8F #12508F #13128F

triadic

#12508F #8F1250 #508F12

tetradic

#12508F #8F128F #8F5112 #128F13

square

#12508F #8F128F #8F5112 #128F13

split-complementary

#12508F #8F1312 #8F8F12

monochromatic

#041322 #0B3259 #12508F #196EC5 #368DE6

Accessibility & contrast

On white

8.17

#12508F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#12508F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12508F

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12508F	#FFFFFF	#000000	##FFFFFF
##12508F	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305591

Deuteranopia (green-blind)

#174A8E

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #12508f;
/* rgb */ color: rgb(18, 80, 143);
/* oklch */ color: oklch(42.9% 0.120 253.2);

Tailwind

colors: {
  custom: {
    50: '#6880b0',
    500: '#12508f',
    950: '#000000',
  },
}

SCSS

$custom: #12508f;
$custom-light: #6880b0;
$custom-dark: #000000;

JSON

{
  "hex": "#12508f",
  "rgb": {
    "r": 18,
    "g": 80,
    "b": 143
  },
  "hsl": {
    "h": 210.24,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42933,
    "c": 0.12021,
    "h": 253.2
  },
  "luminance": 0.07849
}

Semantic roles & 50–950 ramp

primary

#12508F

secondary

#C37F3A

accent

#9534F4

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #12508F

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

Preview Lab → · Contrast checker → · Palette generator →