#4755C4
Closest named color: Warm Blue (#4B57DB). oklch(50.2% 0.172 273.1), rgb(71, 85, 196).
Aa
White text reads best on this color (6.24:1).
About this color
#4755C4 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.172 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.036 away. White text reads best on it, at 6.24:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #4755C4 |
| RGB | rgb(71, 85, 196) |
| HSL | hsl(233, 51%, 52%) |
| OKLCH | oklch(50.2% 0.172 273.1) |
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 #4755C4 | 6.24:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #4755C4 | 3.36:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #4755C4 text on white | 6.24:1 | AA | Lc 80.7 | Fine for body text |
| #4755C4 text on black | 3.36:1 | AA large text | Lc -21.1 | 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
#AFBEF7
oklch(81% 0.082 273)
-
Step 400
400
#8699F3
oklch(70.6% 0.133 273.5)
-
Step 500
500
#697DEF
oklch(63% 0.171 273)
-
Step 600
600
#5363DD
oklch(55.5% 0.185 273.2)
-
Step 700
700 (this color)
#4755C4
oklch(50.2% 0.172 273.1)
-
Step 800
800
#38439B
oklch(42.6% 0.143 273.4)
-
Step 900
900
#303A7C
oklch(37.8% 0.112 273.4)
-
Step 950
950
#1C2248
oklch(26.9% 0.07 274)
#4755C4 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) | #0066C8 | 0.056 |
| Deuteranopia (no green cones) | #005BC2 | 0.049 |
| Tritanopia (no blue cones) | #007084 | 0.145 |
| Achromatopsia (no color) | #606060 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4755C4
#4755C4
oklch(50.2% 0.172 273.1)
- #786200
#786200
oklch(50.3% 0.103 93.5)
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 #4755C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.036
- Iris #6258C4 ΔE 0.040
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.056
- Blurple #5539CC ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
Use #4755C4 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.