#1D5199#1D5199

#1D5199 is a dark, vivid cyan. Relative luminance 0.084; OKLCH L 44.2% C 0.130 H 257.6°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#1D5199
RGB	rgb(29, 81, 153)
HSL	hsl(215, 68%, 36%)
HSV	hsv(215, 81%, 60%)
CMYK	cmyk(81%, 47.1%, 0%, 40%)
CIE-LAB	lab(34.89, 10.18, -44.22)
CIE-LCH	lch(34.89, 45.37, 282.97°)
OKLab	oklab(44.17% -0.0279 -0.1269)
OKLCH	oklch(44.17% 0.13 257.6)
XYZ	xyz(9.1968, 8.4449, 31.2761)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5199 #99651D

analogous

#1D8F99 #1D5199 #271D99

triadic

#1D5199 #991D51 #51991D

tetradic

#1D5199 #991D8F #99651D #1D9927

square

#1D5199 #991D8F #99651D #1D9927

split-complementary

#1D5199 #99271D #8F991D

monochromatic

#091B32 #133666 #1D5199 #276CCC #528DDE

Accessibility & contrast

On white

7.81

#1D5199 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1D5199 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5199

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5199	#FFFFFF	#000000	##FFFFFF
##1D5199	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A589C

Deuteranopia (green-blind)

#094D98

Tritanopia (blue-blind)

#00626D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1d5199;
/* rgb */ color: rgb(29, 81, 153);
/* oklch */ color: oklch(44.2% 0.130 257.6);

Tailwind

colors: {
  custom: {
    50: '#6e81b7',
    500: '#1d5199',
    950: '#000000',
  },
}

SCSS

$custom: #1d5199;
$custom-light: #6e81b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5199",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 153
  },
  "hsl": {
    "h": 214.839,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44173,
    "c": 0.12997,
    "h": 257.6
  },
  "luminance": 0.08446
}

Semantic roles & 50–950 ramp

primary

#1D5199

secondary

#C19251

accent

#A23DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D5199

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

Preview Lab → · Contrast checker → · Palette generator →