#4787CD
Closest named color: Water Blue (#0E87CC). oklch(61.3% 0.126 252.4), rgb(71, 135, 205).
Aa
Black text reads best on this color (5.61:1).
About this color
#4787CD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.126 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.031 away. Black text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.61:1 |
| White text | 3.73:1 |
Values
| HEX | #4787CD |
| RGB | rgb(71, 135, 205) |
| HSL | hsl(211, 57%, 54%) |
| OKLCH | oklch(61.3% 0.126 252.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4787CD | 3.73:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #4787CD | 5.61:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #4787CD text on white | 3.73:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #4787CD text on black | 5.61:1 | AA | Lc -37.0 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF0
oklch(88.5% 0.034 253.7)
-
Step 300
300
#A5C4E8
oklch(81% 0.061 252.4)
-
Step 400
400
#73A4DC
oklch(70.6% 0.098 252.5)
-
Step 500
500 (this color)
#4787CD
oklch(61.3% 0.126 252.4)
-
Step 600
600
#2D75C0
oklch(55.5% 0.137 252.4)
-
Step 700
700
#1F62A6
oklch(49.1% 0.127 252.4)
-
Step 800
800
#1C5086
oklch(42.6% 0.105 252.4)
-
Step 900
900
#1E436C
oklch(37.7% 0.082 252.9)
-
Step 950
950
#12273F
oklch(26.9% 0.053 253.1)
#4787CD with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #688BD0 | 0.038 |
| Deuteranopia (no green cones) | #567ECC | 0.026 |
| Tritanopia (no blue cones) | #0097A0 | 0.099 |
| Achromatopsia (no color) | #848484 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4787CD
#4787CD
oklch(61.3% 0.126 252.4)
- #B27614
#B27614
oklch(61.4% 0.126 72.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4787CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.031
- Cool Blue #4984B8 ΔE 0.032
- Dark Sky Blue #448EE4 ΔE 0.036
- Steel Blue #4682B4 ΔE 0.039
- Faded Blue #658CBB ΔE 0.045
- Off Blue #5684AE ΔE 0.047
- Windows Blue #3778BF ΔE 0.048
- Dusty Blue #5A86AD ΔE 0.051
Use #4787CD in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.