#4751C3
Closest named color: Warm Blue (#4B57DB). oklch(49.4% 0.176 274.2), rgb(71, 81, 195).
Aa
White text reads best on this color (6.49:1).
About this color
#4751C3 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.176 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.040 away. White text reads best on it, at 6.49:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.23:1 |
| White text | 6.49:1 |
Values
| HEX | #4751C3 |
| RGB | rgb(71, 81, 195) |
| HSL | hsl(235, 51%, 52%) |
| OKLCH | oklch(49.4% 0.176 274.2) |
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 #4751C3 | 6.49:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #4751C3 | 3.23:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #4751C3 text on white | 6.49:1 | AA | Lc 81.8 | Fine for body text |
| #4751C3 text on black | 3.23:1 | AA large text | Lc -20.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD8F9
oklch(88.6% 0.047 273.4)
-
Step 300
300
#AFBDF8
oklch(80.9% 0.085 274)
-
Step 400
400
#8799F5
oklch(70.8% 0.136 274)
-
Step 500
500
#6B7CF1
oklch(63.1% 0.175 274.1)
-
Step 600
600
#5562DF
oklch(55.6% 0.189 274)
-
Step 700
700 (this color)
#4751C3
oklch(49.4% 0.176 274.2)
-
Step 800
800
#39429D
oklch(42.6% 0.146 274.1)
-
Step 900
900
#31397D
oklch(37.7% 0.114 274.5)
-
Step 950
950
#1C2249
oklch(27% 0.072 274)
#4751C3 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) | #0063C7 | 0.058 |
| Deuteranopia (no green cones) | #0059C1 | 0.051 |
| Tritanopia (no blue cones) | #006D82 | 0.148 |
| Achromatopsia (no color) | #5E5E5E | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4751C3
#4751C3
oklch(49.4% 0.176 274.2)
- #746000
#746000
oklch(49.4% 0.101 94.7)
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 #4751C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.040
- Iris #6258C4 ΔE 0.045
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.050
- Blurple #5539CC ΔE 0.052
- Majorelle Blue #3F37C9 ΔE 0.058
- Blue Blue #2242C7 ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.060
Use #4751C3 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.