#4D5DF2
Closest named color: Neon Blue (#4361EE). oklch(55.7% 0.221 272.3), rgb(77, 93, 242).
Aa
White text reads best on this color (5.04:1).
About this color
#4D5DF2 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.221 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.014 away. White text reads best on it, at 5.04:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.221) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #4D5DF2 |
| RGB | rgb(77, 93, 242) |
| HSL | hsl(234, 86%, 63%) |
| OKLCH | oklch(55.7% 0.221 272.3) |
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 #4D5DF2 | 5.04:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #4D5DF2 | 4.16:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #4D5DF2 text on white | 5.04:1 | AA | Lc 74.2 | Content text, not long reading |
| #4D5DF2 text on black | 4.16:1 | AA large text | Lc -27.5 | 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 600.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CCD8FF
oklch(88.6% 0.055 271.8)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400
#8098FF
oklch(70.7% 0.153 272.1)
-
Step 500
500
#637AFF
oklch(63.2% 0.198 272.1)
-
Step 600
600 (this color)
#4D5DF2
oklch(55.7% 0.221 272.3)
-
Step 700
700
#3F4BD2
oklch(49.1% 0.205 272.3)
-
Step 800
800
#333FAA
oklch(42.8% 0.17 272.1)
-
Step 900
900
#2C3787
oklch(37.8% 0.133 272.4)
-
Step 950
950
#19214F
oklch(27% 0.085 272.1)
#4D5DF2 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) | #0076F7 | 0.065 |
| Deuteranopia (no green cones) | #0067EF | 0.049 |
| Tritanopia (no blue cones) | #00839F | 0.178 |
| Achromatopsia (no color) | #6F6F6F | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5DF2
#4D5DF2
oklch(55.7% 0.221 272.3)
- #8B7100
#8B7100
oklch(55.8% 0.114 92.8)
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 #4D5DF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.014
- Warm Blue #4B57DB ΔE 0.038
- Royal Blue #4169E1 ΔE 0.039
- Azul #1D5DEC ΔE 0.043
- Bright Blue #0165FC ΔE 0.049
- Cerulean Blue #056EEE ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.061
- Electric Blue #0652FF ΔE 0.063
Use #4D5DF2 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.