#1C4D90#1C4D90

#1C4D90 is a dark, vivid cyan. Relative luminance 0.076; OKLCH L 42.6% C 0.123 H 257.4°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D90
RGB	rgb(28, 77, 144)
HSL	hsl(215, 67%, 34%)
HSV	hsv(215, 81%, 56%)
CMYK	cmyk(80.6%, 46.5%, 0%, 43.5%)
CIE-LAB	lab(33.06, 9.13, -41.69)
CIE-LCH	lch(33.06, 42.68, 282.36°)
OKLab	oklab(42.56% -0.0268 -0.1196)
OKLCH	oklch(42.56% 0.123 257.4)
XYZ	xyz(8.1650, 7.5673, 27.4105)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D90 #905F1C

analogous

#1C8790 #1C4D90 #251C90

triadic

#1C4D90 #901C4D #4D901C

tetradic

#1C4D90 #901C87 #905F1C #1C9025

square

#1C4D90 #901C87 #905F1C #1C9025

split-complementary

#1C4D90 #90251C #87901C

monochromatic

#08162A #12325D #1C4D90 #2668C3 #4A88DC

Accessibility & contrast

On white

8.35

#1C4D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1C4D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D90

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D90	#FFFFFF	#000000	##FFFFFF
##1C4D90	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5393

Deuteranopia (green-blind)

#0E498F

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4d90;
/* rgb */ color: rgb(28, 77, 144);
/* oklch */ color: oklch(42.6% 0.123 257.4);

Tailwind

colors: {
  custom: {
    50: '#6b7eb1',
    500: '#1c4d90',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d90;
$custom-light: #6b7eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d90",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 144
  },
  "hsl": {
    "h": 214.655,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42561,
    "c": 0.12258,
    "h": 257.4
  },
  "luminance": 0.07568
}

Semantic roles & 50–950 ramp

primary

#1C4D90

secondary

#BE8D4A

accent

#A13DEA

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080911

muted

#7A7B80

Preview Lab

Preview with #1C4D90

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

Preview Lab → · Contrast checker → · Palette generator →