#1C4E8F#1C4E8F

#1C4E8F is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.7% C 0.120 H 256.5°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E8F
RGB	rgb(28, 78, 143)
HSL	hsl(214, 67%, 34%)
HSV	hsv(214, 80%, 56%)
CMYK	cmyk(80.4%, 45.5%, 0%, 43.9%)
CIE-LAB	lab(33.30, 8.06, -40.70)
CIE-LCH	lch(33.30, 41.49, 281.20°)
OKLab	oklab(42.72% -0.0279 -0.1167)
OKLCH	oklch(42.72% 0.12 256.5)
XYZ	xyz(8.1594, 7.6779, 27.0332)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E8F #8F5D1C

analogous

#1C878F #1C4E8F #231C8F

triadic

#1C4E8F #8F1C4E #4E8F1C

tetradic

#1C4E8F #8F1C87 #8F5D1C #1C8F23

square

#1C4E8F #8F1C87 #8F5D1C #1C8F23

split-complementary

#1C4E8F #8F231C #878F1C

monochromatic

#081629 #12325C #1C4E8F #266AC2 #4A89DC

Accessibility & contrast

On white

8.28

#1C4E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1C4E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E8F

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E8F	#FFFFFF	#000000	##FFFFFF
##1C4E8F	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5491

Deuteranopia (green-blind)

#14498E

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4e8f;
/* rgb */ color: rgb(28, 78, 143);
/* oklch */ color: oklch(42.7% 0.120 256.5);

Tailwind

colors: {
  custom: {
    50: '#6b7fb0',
    500: '#1c4e8f',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e8f;
$custom-light: #6b7fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e8f",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 143
  },
  "hsl": {
    "h": 213.913,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42724,
    "c": 0.11996,
    "h": 256.5
  },
  "luminance": 0.07679
}

Semantic roles & 50–950 ramp

primary

#1C4E8F

secondary

#BE8B49

accent

#9F3EEA

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1C4E8F

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

Preview Lab → · Contrast checker → · Palette generator →