Nerdulator> put something in

Colour

#157BE4

  • #157BE4
  • Blue
  • Dark
  • Nearest: Dodgerblue

#157BE4 is a blue with RGB values 21, 123, 228 and HSL 210°, 83%, 49%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#157BE4#157BE4
HEX#157BE4
RGBrgb(21, 123, 228)
RGB (0–1)0.0824, 0.4824, 0.8941
RGB percentages8.2%, 48.2%, 89.4%
HSLhsl(210.4, 83.1%, 48.8%)
HSV / HSBhsv(210.4, 90.8%, 89.4%)
CMYK90.8%, 46.1%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,407,972
CSS custom property--colour: #157BE4;

Brightness & contrast

Relative luminance0.19927WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.99:1
Contrast with white4.21:1WCAG normal text: Fail
Contrast with black4.99:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#EA841B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4085E8no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#0073E2no green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#0094A4no blue cones; rare, and affects men and women equally; ΔE 58.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.21:1WCAG large text: AA
Contrast with black, large text4.99:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8.4Royal blue · ΔE 15.4Cornflower blue · ΔE 15.5Slate blue · ΔE 25Medium purple · ΔE 27.1Medium slateblue · ΔE 29.3
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.37, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E47E15
Analogous#15E3E4, #1615E4
Triadic#E4157B, #7BE415
Split complementary#E41615, #E3E415
Tetradic#E415E3, #E47E15, #15E416

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBE2FA
Lighter +30%#9CC8F6
Lighter +20%#6DAFF2
Lighter +10%#3F95ED
Darker −10%#1162B5
Darker −20%#0C4987
Darker −30%#082F58
Darker −40%#041629
More saturated +25%#007BF9
Less saturated −25%#347BC5

Channel breakdown

R21
G123
B228
Red21 (8.2%)
Green123 (48.2%)
Blue228 (89.4%)
Hue210.43°
Saturation (HSL)83.13%
Lightness48.82%
Dominant channelBlue
Hex per channelR 15 · G 7B · B E4

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “157be4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.