#124E8F#124E8F

#124E8F is a dark, vivid cyan. Relative luminance 0.076; OKLCH L 42.5% C 0.123 H 254.3°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#124E8F
RGB	rgb(18, 78, 143)
HSL	hsl(211, 78%, 32%)
HSV	hsv(211, 87%, 56%)
CMYK	cmyk(87.4%, 45.5%, 0%, 43.9%)
CIE-LAB	lab(33.05, 7.07, -41.12)
CIE-LCH	lch(33.05, 41.72, 279.75°)
OKLab	oklab(42.45% -0.0331 -0.118)
OKLCH	oklch(42.45% 0.123 254.3)
XYZ	xyz(7.9299, 7.5595, 27.0225)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#124E8F #8F5312

analogous

#128D8F #124E8F #15128F

triadic

#124E8F #8F124E #4E8F12

tetradic

#124E8F #8F128D #8F5312 #128F15

square

#124E8F #8F128D #8F5312 #128F15

split-complementary

#124E8F #8F1512 #8D8F12

monochromatic

#041322 #0B3059 #124E8F #196CC5 #368AE6

Accessibility & contrast

On white

8.36

#124E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#124E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #124E8F

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##124E8F	#FFFFFF	#000000	##FFFFFF
##124E8F	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5491

Deuteranopia (green-blind)

#10498E

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #124e8f;
/* rgb */ color: rgb(18, 78, 143);
/* oklch */ color: oklch(42.5% 0.123 254.3);

Tailwind

colors: {
  custom: {
    50: '#687fb0',
    500: '#124e8f',
    950: '#000000',
  },
}

SCSS

$custom: #124e8f;
$custom-light: #687fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#124e8f",
  "rgb": {
    "r": 18,
    "g": 78,
    "b": 143
  },
  "hsl": {
    "h": 211.2,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42454,
    "c": 0.12258,
    "h": 254.3
  },
  "luminance": 0.07561
}

Semantic roles & 50–950 ramp

primary

#124E8F

secondary

#C3813A

accent

#9834F4

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #124E8F

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

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