#1D487B#1D487B

#1D487B is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.9% C 0.099 H 254.6°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#1D487B
RGB	rgb(29, 72, 123)
HSL	hsl(213, 62%, 30%)
HSV	hsv(213, 76%, 48%)
CMYK	cmyk(76.4%, 41.5%, 0%, 51.8%)
CIE-LAB	lab(30.22, 4.17, -33.27)
CIE-LCH	lch(30.22, 33.54, 277.15°)
OKLab	oklab(39.93% -0.0262 -0.095)
OKLCH	oklch(39.93% 0.099 254.6)
XYZ	xyz(6.3979, 6.3253, 19.6188)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D487B #7B501D

analogous

#1D777B #1D487B #211D7B

triadic

#1D487B #7B1D48 #487B1D

tetradic

#1D487B #7B1D77 #7B501D #1D7B21

square

#1D487B #7B1D77 #7B501D #1D7B21

split-complementary

#1D487B #7B211D #777B1D

monochromatic

#060E19 #112B49 #1D487B #2965AD #4083D2

Accessibility & contrast

On white

9.27

#1D487B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1D487B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D487B

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D487B	#FFFFFF	#000000	##FFFFFF
##1D487B	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304C7D

Deuteranopia (green-blind)

#21437A

Tritanopia (blue-blind)

#00545B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d487b;
/* rgb */ color: rgb(29, 72, 123);
/* oklch */ color: oklch(39.9% 0.099 254.6);

Tailwind

colors: {
  custom: {
    50: '#677aa1',
    500: '#1d487b',
    950: '#000000',
  },
}

SCSS

$custom: #1d487b;
$custom-light: #677aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d487b",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 123
  },
  "hsl": {
    "h": 212.553,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.39931,
    "c": 0.09851,
    "h": 254.6
  },
  "luminance": 0.06326
}

Semantic roles & 50–950 ramp

primary

#1D487B

secondary

#AF7E45

accent

#9B43E5

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #1D487B

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

Preview Lab → · Contrast checker → · Palette generator →