#1D5E8A#1D5E8A

#1D5E8A is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.3% C 0.096 H 242.9°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#1D5E8A
RGB	rgb(29, 94, 138)
HSL	hsl(204, 65%, 33%)
HSV	hsv(204, 79%, 54%)
CMYK	cmyk(79%, 31.9%, 0%, 45.9%)
CIE-LAB	lab(38.02, -4.16, -30.15)
CIE-LCH	lch(38.02, 30.44, 262.15°)
OKLab	oklab(46.33% -0.0437 -0.0855)
OKLCH	oklch(46.33% 0.096 242.9)
XYZ	xyz(9.0951, 10.1005, 25.5101)
Luminance	0.1010 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5E8A #8A491D

analogous

#1D8A7F #1D5E8A #1D288A

triadic

#1D5E8A #8A1D5E #5E8A1D

tetradic

#1D5E8A #7F1D8A #8A491D #288A1D

square

#1D5E8A #7F1D8A #8A491D #288A1D

split-complementary

#1D5E8A #8A1D28 #8A7F1D

monochromatic

#081925 #123C57 #1D5E8A #2880BD #499FD9

Accessibility & contrast

On white

6.95

#1D5E8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#1D5E8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5E8A

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5E8A	#FFFFFF	#000000	##FFFFFF
##1D5E8A	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5F8C

Deuteranopia (green-blind)

#3A5589

Tritanopia (blue-blind)

#00696E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1d5e8a;
/* rgb */ color: rgb(29, 94, 138);
/* oklch */ color: oklch(46.3% 0.096 242.9);

Tailwind

colors: {
  custom: {
    50: '#6a8bac',
    500: '#1d5e8a',
    950: '#000000',
  },
}

SCSS

$custom: #1d5e8a;
$custom-light: #6a8bac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5e8a",
  "rgb": {
    "r": 29,
    "g": 94,
    "b": 138
  },
  "hsl": {
    "h": 204.22,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.46333,
    "c": 0.09598,
    "h": 242.9
  },
  "luminance": 0.10102
}

Semantic roles & 50–950 ramp

primary

#1D5E8A

secondary

#BB7648

accent

#8440E8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #1D5E8A

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

Preview Lab → · Contrast checker → · Palette generator →