#1D518E#1D518E

#1D518E is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.4% C 0.115 H 254.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#1D518E
RGB	rgb(29, 81, 142)
HSL	hsl(212, 66%, 34%)
HSV	hsv(212, 80%, 56%)
CMYK	cmyk(79.6%, 43%, 0%, 44.3%)
CIE-LAB	lab(34.19, 5.77, -38.67)
CIE-LCH	lch(34.19, 39.10, 278.49°)
OKLab	oklab(43.4% -0.0302 -0.1106)
OKLCH	oklch(43.4% 0.115 254.7)
XYZ	xyz(8.3298, 8.0981, 26.7100)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D518E #8E5A1D

analogous

#1D898E #1D518E #211D8E

triadic

#1D518E #8E1D51 #518E1D

tetradic

#1D518E #8E1D89 #8E5A1D #1D8E21

square

#1D518E #8E1D89 #8E5A1D #1D8E21

split-complementary

#1D518E #8E211D #898E1D

monochromatic

#081728 #13345B #1D518E #276EC1 #4B8DDA

Accessibility & contrast

On white

8.02

#1D518E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1D518E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D518E

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D518E	#FFFFFF	#000000	##FFFFFF
##1D518E	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335690

Deuteranopia (green-blind)

#1F4C8D

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d518e;
/* rgb */ color: rgb(29, 81, 142);
/* oklch */ color: oklch(43.4% 0.115 254.7);

Tailwind

colors: {
  custom: {
    50: '#6b81af',
    500: '#1d518e',
    950: '#000000',
  },
}

SCSS

$custom: #1d518e;
$custom-light: #6b81af;
$custom-dark: #000000;

JSON

{
  "hex": "#1d518e",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 142
  },
  "hsl": {
    "h": 212.389,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43398,
    "c": 0.11468,
    "h": 254.7
  },
  "luminance": 0.08099
}

Semantic roles & 50–950 ramp

primary

#1D518E

secondary

#BD884A

accent

#9B3FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1D518E

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

Preview Lab → · Contrast checker → · Palette generator →