#1D658B#1D658B

#1D658B is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.2% C 0.092 H 236.8°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX#1D658B
RGBrgb(29, 101, 139)
HSLhsl(201, 65%, 33%)
HSVhsv(201, 79%, 55%)
CMYKcmyk(79.1%, 27.3%, 0%, 45.5%)
CIE-LABlab(40.30, -8.06, -27.19)
CIE-LCHlch(40.30, 28.36, 253.50°)
OKLaboklab(48.15% -0.0503 -0.0768)
OKLCHoklch(48.15% 0.092 236.8)
XYZxyz(9.8187, 11.4315, 26.1101)
Luminance0.1143 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D658B #8B431D
analogous
#1D8B7A #1D658B #1D2E8B
triadic
#1D658B #8B1D65 #658B1D
tetradic
#1D658B #7A1D8B #8B431D #2E8B1D
square
#1D658B #7A1D8B #8B431D #2E8B1D
split-complementary
#1D658B #8B1D2E #8B7A1D
monochromatic
#081B26 #124058 #1D658B #288ABE #49A7D9

Accessibility & contrast

On white

6.39
#1D658B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.29
#1D658B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D658B
6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D658B#FFFFFF#000000##FFFFFF
##1D658B1.006.393.296.39
#FFFFFF6.391.0021.001.00
#0000003.2921.001.0021.00
##FFFFFF6.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#53658D
Deuteranopia (green-blind)
#445A8A
Tritanopia (blue-blind)
#006F72
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #1d658b;
/* rgb */ color: rgb(29, 101, 139);
/* oklch */ color: oklch(48.2% 0.092 236.8);
Tailwind
colors: {
  custom: {
    50: '#6b90ad',
    500: '#1d658b',
    950: '#000000',
  },
}
SCSS
$custom: #1d658b;
$custom-light: #6b90ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1d658b",
  "rgb": {
    "r": 29,
    "g": 101,
    "b": 139
  },
  "hsl": {
    "h": 200.727,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.48154,
    "c": 0.09178,
    "h": 236.8
  },
  "luminance": 0.11433
}

Semantic roles & 50–950 ramp

primary
#1D658B
secondary
#BB7049
accent
#7A3FE8
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1D658B

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

Preview Lab → · Contrast checker → · Palette generator →

#1D658B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva