#1D5690#1D5690

#1D5690 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.7% C 0.112 H 252.1°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D5690
RGB	rgb(29, 86, 144)
HSL	hsl(210, 66%, 34%)
HSV	hsv(210, 80%, 56%)
CMYK	cmyk(79.9%, 40.3%, 0%, 43.5%)
CIE-LAB	lab(35.85, 3.28, -37.24)
CIE-LCH	lch(35.85, 37.38, 275.04°)
OKLab	oklab(44.73% -0.0343 -0.1063)
OKLCH	oklch(44.73% 0.112 252.1)
XYZ	xyz(8.8666, 8.9294, 27.6364)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5690 #90571D

analogous

#1D9090 #1D5690 #1E1D90

triadic

#1D5690 #901D56 #56901D

tetradic

#1D5690 #901D90 #90571D #1D901E

square

#1D5690 #901D90 #90571D #1D901E

split-complementary

#1D5690 #901E1D #90901D

monochromatic

#08192A #13385D #1D5690 #2774C3 #4C93DB

Accessibility & contrast

On white

7.54

#1D5690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1D5690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5690

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5690	#FFFFFF	#000000	##FFFFFF
##1D5690	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5A92

Deuteranopia (green-blind)

#28508F

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d5690;
/* rgb */ color: rgb(29, 86, 144);
/* oklch */ color: oklch(44.7% 0.112 252.1);

Tailwind

colors: {
  custom: {
    50: '#6b85b1',
    500: '#1d5690',
    950: '#000000',
  },
}

SCSS

$custom: #1d5690;
$custom-light: #6b85b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5690",
  "rgb": {
    "r": 29,
    "g": 86,
    "b": 144
  },
  "hsl": {
    "h": 210.261,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44732,
    "c": 0.11171,
    "h": 252.1
  },
  "luminance": 0.0893
}

Semantic roles & 50–950 ramp

primary

#1D5690

secondary

#BD854B

accent

#953EE9

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1D5690

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

Preview Lab → · Contrast checker → · Palette generator →