#1D748B#1D748B

#1D748B is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.0% C 0.086 H 220.1°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D748B
RGB	rgb(29, 116, 139)
HSL	hsl(193, 65%, 33%)
HSV	hsv(193, 79%, 55%)
CMYK	cmyk(79.1%, 16.5%, 0%, 45.5%)
CIE-LAB	lab(45.10, -16.72, -19.74)
CIE-LCH	lch(45.10, 25.87, 229.75°)
OKLab	oklab(52% -0.0655 -0.0552)
OKLCH	oklch(52% 0.086 220.1)
XYZ	xyz(11.4103, 14.6147, 26.6406)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D748B #8B341D

analogous

#1D8B6B #1D748B #1D3D8B

triadic

#1D748B #8B1D74 #748B1D

tetradic

#1D748B #6B1D8B #8B341D #3D8B1D

square

#1D748B #6B1D8B #8B341D #3D8B1D

split-complementary

#1D748B #8B1D3D #8B6B1D

monochromatic

#081F26 #124A58 #1D748B #289EBE #49BBD9

Accessibility & contrast

On white

5.35

#1D748B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#1D748B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D748B

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D748B	#FFFFFF	#000000	##FFFFFF
##1D748B	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718C

Deuteranopia (green-blind)

#57668B

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1d748b;
/* rgb */ color: rgb(29, 116, 139);
/* oklch */ color: oklch(52.0% 0.086 220.1);

Tailwind

colors: {
  custom: {
    50: '#6c9cad',
    500: '#1d748b',
    950: '#000000',
  },
}

SCSS

$custom: #1d748b;
$custom-light: #6c9cad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d748b",
  "rgb": {
    "r": 29,
    "g": 116,
    "b": 139
  },
  "hsl": {
    "h": 192.545,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.51995,
    "c": 0.08572,
    "h": 220.1
  },
  "luminance": 0.14616
}

Semantic roles & 50–950 ramp

primary

#1D748B

secondary

#BB6149

accent

#633FE8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1D748B

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

Preview Lab → · Contrast checker → · Palette generator →