#1C5798#1C5798

#1C5798 is a mid, vivid cyan. Relative luminance 0.093; OKLCH L 45.5% C 0.122 H 253.9°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C5798
RGB	rgb(28, 87, 152)
HSL	hsl(211, 69%, 35%)
HSV	hsv(211, 82%, 60%)
CMYK	cmyk(81.6%, 42.8%, 0%, 40.4%)
CIE-LAB	lab(36.61, 5.70, -40.86)
CIE-LCH	lch(36.61, 41.26, 277.94°)
OKLab	oklab(45.48% -0.0338 -0.117)
OKLCH	oklch(45.48% 0.122 253.9)
XYZ	xyz(9.5525, 9.3291, 30.9969)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5798 #985D1C

analogous

#1C9598 #1C5798 #1F1C98

triadic

#1C5798 #981C57 #57981C

tetradic

#1C5798 #981C95 #985D1C #1C981F

square

#1C5798 #981C95 #985D1C #1C981F

split-complementary

#1C5798 #981F1C #95981C

monochromatic

#091C31 #123964 #1C5798 #2675CC #5094DF

Accessibility & contrast

On white

7.33

#1C5798 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1C5798 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5798

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5798	#FFFFFF	#000000	##FFFFFF
##1C5798	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375C9B

Deuteranopia (green-blind)

#205197

Tritanopia (blue-blind)

#006670

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c5798;
/* rgb */ color: rgb(28, 87, 152);
/* oklch */ color: oklch(45.5% 0.122 253.9);

Tailwind

colors: {
  custom: {
    50: '#6d85b7',
    500: '#1c5798',
    950: '#000000',
  },
}

SCSS

$custom: #1c5798;
$custom-light: #6d85b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5798",
  "rgb": {
    "r": 28,
    "g": 87,
    "b": 152
  },
  "hsl": {
    "h": 211.452,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.45476,
    "c": 0.12174,
    "h": 253.9
  },
  "luminance": 0.0933
}

Semantic roles & 50–950 ramp

primary

#1C5798

secondary

#C18B4E

accent

#983CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1C5798

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

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