#1A5CB3#1A5CB3

#1A5CB3 is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.5% C 0.153 H 257.3°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#1A5CB3
RGB	rgb(26, 92, 179)
HSL	hsl(214, 75%, 40%)
HSV	hsv(214, 85%, 70%)
CMYK	cmyk(85.5%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(39.79, 13.01, -51.82)
CIE-LCH	lch(39.79, 53.43, 284.09°)
OKLab	oklab(48.49% -0.0335 -0.1491)
OKLCH	oklch(48.49% 0.153 257.3)
XYZ	xyz(12.3868, 11.1270, 44.1340)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5CB3 #B3711A

analogous

#1AA8B3 #1A5CB3 #251AB3

triadic

#1A5CB3 #B31A5C #5CB31A

tetradic

#1A5CB3 #B31AA8 #B3711A #1AB325

square

#1A5CB3 #B31AA8 #B3711A #1AB325

split-complementary

#1A5CB3 #B3251A #A8B31A

monochromatic

#0A2548 #12417E #1A5CB3 #2A79E0 #609AE8

Accessibility & contrast

On white

6.51

#1A5CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#1A5CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5CB3

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5CB3	#FFFFFF	#000000	##FFFFFF
##1A5CB3	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2965B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1a5cb3;
/* rgb */ color: rgb(26, 92, 179);
/* oklch */ color: oklch(48.5% 0.153 257.3);

Tailwind

colors: {
  custom: {
    50: '#7389ca',
    500: '#1a5cb3',
    950: '#000000',
  },
}

SCSS

$custom: #1a5cb3;
$custom-light: #7389ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5cb3",
  "rgb": {
    "r": 26,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 214.118,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48487,
    "c": 0.15282,
    "h": 257.3
  },
  "luminance": 0.11129
}

Semantic roles & 50–950 ramp

primary

#1A5CB3

secondary

#CC9C5D

accent

#A137F1

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1A5CB3

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

Preview Lab → · Contrast checker → · Palette generator →