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Recognised as Colour

#157CEE

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

#157CEE is a blue with RGB values 21, 124, 238 and HSL 212°, 86%, 51%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#157CEE#157CEE
HEX#157CEE
RGBrgb(21, 124, 238)
RGB (0–1)0.0824, 0.4863, 0.9333
RGB percentages8.2%, 48.6%, 93.3%
HSLhsl(211.5, 86.5%, 50.8%)
HSV / HSBhsv(211.5, 91.2%, 93.3%)
CMYK91.2%, 47.9%, 0%, 6.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,408,238
CSS custom property--colour: #157CEE;

Brightness & contrast

Relative luminance0.20748WCAG 2.x, 0 is black and 1 is white
Perceived brightness125 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.15:1
Contrast with white4.08:1WCAG normal text: Fail
Contrast with black5.15:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#EA8311

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3787F2no red cones; affects about 1% of men; ΔE 6.4 from the original
Deuteranopia#0075ECno green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#0098A9no blue cones; rare, and affects men and women equally; ΔE 63.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.08:1WCAG large text: AA
Contrast with black, large text5.15:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8.7Royal blue · ΔE 12Cornflower blue · ΔE 19Slate blue · ΔE 23.1Medium slateblue · ΔE 25.7Medium purple · ΔE 26.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EE8715
Analogous#15E8EE, #1B15EE
Triadic#EE157C, #7CEE15
Split complementary#EE1B15, #E8EE15
Tetradic#EE15E8, #EE8715, #15EE1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3E6FC
Lighter +30%#A4CCF8
Lighter +20%#74B1F5
Lighter +10%#4597F1
Darker −10%#0E63C2
Darker −20%#0B4B92
Darker −30%#073363
Darker −40%#041A33
More saturated +25%#047BFF
Less saturated −25%#347ECF

Channel breakdown

R21
G124
B238
Red21 (8.2%)
Green124 (48.6%)
Blue238 (93.3%)
Hue211.52°
Saturation (HSL)86.45%
Lightness50.78%
Dominant channelBlue
Hex per channelR 15 · G 7C · B EE

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