#1C5F8E#1C5F8E

#1C5F8E is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.8% C 0.100 H 244.1°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#1C5F8E
RGB	rgb(28, 95, 142)
HSL	hsl(205, 67%, 33%)
HSV	hsv(205, 80%, 56%)
CMYK	cmyk(80.3%, 33.1%, 0%, 44.3%)
CIE-LAB	lab(38.52, -3.36, -31.79)
CIE-LCH	lch(38.52, 31.97, 263.97°)
OKLab	oklab(46.79% -0.0439 -0.0902)
OKLCH	oklch(46.79% 0.1 244.1)
XYZ	xyz(9.4517, 10.3831, 27.0919)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5F8E #8E4B1C

analogous

#1C8E84 #1C5F8E #1C268E

triadic

#1C5F8E #8E1C5F #5F8E1C

tetradic

#1C5F8E #841C8E #8E4B1C #268E1C

square

#1C5F8E #841C8E #8E4B1C #268E1C

split-complementary

#1C5F8E #8E1C26 #8E841C

monochromatic

#081B28 #123D5B #1C5F8E #2681C1 #499FDB

Accessibility & contrast

On white

6.83

#1C5F8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#1C5F8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5F8E

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5F8E	#FFFFFF	#000000	##FFFFFF
##1C5F8E	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#496090

Deuteranopia (green-blind)

#39568D

Tritanopia (blue-blind)

#006A70

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1c5f8e;
/* rgb */ color: rgb(28, 95, 142);
/* oklch */ color: oklch(46.8% 0.100 244.1);

Tailwind

colors: {
  custom: {
    50: '#6b8caf',
    500: '#1c5f8e',
    950: '#000000',
  },
}

SCSS

$custom: #1c5f8e;
$custom-light: #6b8caf;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5f8e",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 142
  },
  "hsl": {
    "h": 204.737,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.46789,
    "c": 0.10033,
    "h": 244.1
  },
  "luminance": 0.10384
}

Semantic roles & 50–950 ramp

primary

#1C5F8E

secondary

#BD7949

accent

#853EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1C5F8E

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

Preview Lab → · Contrast checker → · Palette generator →