#1D589A#1D589A

#1D589A is a mid, vivid cyan. Relative luminance 0.096; OKLCH L 45.9% C 0.123 H 254.1°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D589A
RGB	rgb(29, 88, 154)
HSL	hsl(212, 68%, 36%)
HSV	hsv(212, 81%, 60%)
CMYK	cmyk(81.2%, 42.9%, 0%, 39.6%)
CIE-LAB	lab(37.06, 5.95, -41.34)
CIE-LCH	lch(37.06, 41.76, 278.19°)
OKLab	oklab(45.88% -0.0336 -0.1183)
OKLCH	oklch(45.88% 0.123 254.1)
XYZ	xyz(9.8270, 9.5726, 31.8953)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D589A #9A5F1D

analogous

#1D969A #1D589A #201D9A

triadic

#1D589A #9A1D58 #589A1D

tetradic

#1D589A #9A1D96 #9A5F1D #1D9A20

square

#1D589A #9A1D96 #9A5F1D #1D9A20

split-complementary

#1D589A #9A201D #969A1D

monochromatic

#0A1D33 #133B66 #1D589A #2775CE #5395DF

Accessibility & contrast

On white

7.20

#1D589A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#1D589A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D589A

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D589A	#FFFFFF	#000000	##FFFFFF
##1D589A	1.00	7.20	2.91	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375D9D

Deuteranopia (green-blind)

#215299

Tritanopia (blue-blind)

#006871

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1d589a;
/* rgb */ color: rgb(29, 88, 154);
/* oklch */ color: oklch(45.9% 0.123 254.1);

Tailwind

colors: {
  custom: {
    50: '#6e86b8',
    500: '#1d589a',
    950: '#000000',
  },
}

SCSS

$custom: #1d589a;
$custom-light: #6e86b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d589a",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 154
  },
  "hsl": {
    "h": 211.68,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45876,
    "c": 0.12302,
    "h": 254.1
  },
  "luminance": 0.09574
}

Semantic roles & 50–950 ramp

primary

#1D589A

secondary

#C28D51

accent

#993DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D589A

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

Preview Lab → · Contrast checker → · Palette generator →