#1C5EA1#1C5EA1

#1C5EA1 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.7% C 0.126 H 252.6°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C5EA1
RGB	rgb(28, 94, 161)
HSL	hsl(210, 70%, 37%)
HSV	hsv(210, 83%, 63%)
CMYK	cmyk(82.6%, 41.6%, 0%, 36.9%)
CIE-LAB	lab(39.28, 4.72, -41.98)
CIE-LCH	lch(39.28, 42.25, 276.42°)
OKLab	oklab(47.74% -0.0377 -0.1201)
OKLCH	oklch(47.74% 0.126 252.6)
XYZ	xyz(10.9122, 10.8242, 35.2254)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5EA1 #A15F1C

analogous

#1CA0A1 #1C5EA1 #1D1CA1

triadic

#1C5EA1 #A11C5E #5EA11C

tetradic

#1C5EA1 #A11CA0 #A15F1C #1CA11D

square

#1C5EA1 #A11CA0 #A15F1C #1CA11D

split-complementary

#1C5EA1 #A11D1C #A0A11C

monochromatic

#0A2139 #13406D #1C5EA1 #257CD5 #569BE2

Accessibility & contrast

On white

6.64

#1C5EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#1C5EA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5EA1

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5EA1	#FFFFFF	#000000	##FFFFFF
##1C5EA1	1.00	6.64	3.17	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D63A4

Deuteranopia (green-blind)

#2657A0

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1c5ea1;
/* rgb */ color: rgb(28, 94, 161);
/* oklch */ color: oklch(47.7% 0.126 252.6);

Tailwind

colors: {
  custom: {
    50: '#6f8bbd',
    500: '#1c5ea1',
    950: '#000000',
  },
}

SCSS

$custom: #1c5ea1;
$custom-light: #6f8bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5ea1",
  "rgb": {
    "r": 28,
    "g": 94,
    "b": 161
  },
  "hsl": {
    "h": 210.226,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.47735,
    "c": 0.1259,
    "h": 252.6
  },
  "luminance": 0.10825
}

Semantic roles & 50–950 ramp

primary

#1C5EA1

secondary

#C58D54

accent

#953BED

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1C5EA1

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

Preview Lab → · Contrast checker → · Palette generator →