#2657B0#2657B0

#2657B0 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.152 H 261.1°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX#2657B0
RGBrgb(38, 87, 176)
HSLhsl(219, 64%, 42%)
HSVhsv(219, 78%, 69%)
CMYKcmyk(78.4%, 50.6%, 0%, 31%)
CIE-LABlab(38.48, 16.28, -52.15)
CIE-LCHlch(38.48, 54.63, 287.33°)
OKLaboklab(47.51% -0.0234 -0.15)
OKLCHoklch(47.51% 0.152 261.1)
XYZxyz(12.0412, 10.3616, 42.4313)
Luminance0.1036 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2657B0 #B07F26
analogous
#269CB0 #2657B0 #3A26B0
triadic
#2657B0 #B02657 #57B026
tetradic
#2657B0 #B0269C #B07F26 #26B03A
square
#2657B0 #B0269C #B07F26 #26B03A
split-complementary
#2657B0 #B03A26 #9CB026
monochromatic
#10254B #1B3E7E #2657B0 #3E74D5 #7098E0

Accessibility & contrast

On white

6.83
#2657B0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.07
#2657B0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2657B0
6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2657B0#FFFFFF#000000##FFFFFF
##2657B01.006.833.076.83
#FFFFFF6.831.0021.001.00
#0000003.0721.001.0021.00
##FFFFFF6.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2061B3
Deuteranopia (green-blind)
#0055AE
Tritanopia (blue-blind)
#006C7B
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #2657b0;
/* rgb */ color: rgb(38, 87, 176);
/* oklch */ color: oklch(47.5% 0.152 261.1);
Tailwind
colors: {
  custom: {
    50: '#7685c8',
    500: '#2657b0',
    950: '#000000',
  },
}
SCSS
$custom: #2657b0;
$custom-light: #7685c8;
$custom-dark: #000000;
JSON
{
  "hex": "#2657b0",
  "rgb": {
    "r": 38,
    "g": 87,
    "b": 176
  },
  "hsl": {
    "h": 218.696,
    "s": 64.486,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4751,
    "c": 0.15185,
    "h": 261.1
  },
  "luminance": 0.10363
}

Semantic roles & 50–950 ramp

primary
#2657B0
secondary
#C7A66B
accent
#AC40E7
background
#F7F8FC
surface
#EEEFF8
border
#C9CAD1
text
#0A0B13
muted
#7C7C82

Preview Lab

Preview with #2657B0

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

Preview Lab → · Contrast checker → · Palette generator →

#2657B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva